<?php

/**
 * Application Core
 * @author franzz
 */
class Databap extends PhpObject
{
	//Common Constants
	const VERSION = '1.0.0-RC6'; //Versioning: <Main_Version>.<Enhancement_Package>.<Patch>-<Release_Candidate>
	const VERSION_DATE = '28/08/2014';
	const EXPECTED_PAGE_COOKIE = 'exp_page';
	const MAIN_SEPARATOR = ' ';
	const DATE_FORMAT = 'd/m/Y';
	const TIME_FORMAT = 'H:i:s';
	const DATE_TIME_FORMAT = 'd/m/Y H:i:s';
	const DATE_COMPACT_FORMAT = 'YmdHis';
	const DATE_TIME_SQL_FORMAT = 'Y-m-d H:i:s';
	const DATE_SQL_FORMAT = 'Y-m-d';
	const HISTORY_LENGTH = 10;
	const STYLE_PATH = 'style/screen.css';
	public static $UPLOAD_IMG_EXTS = array('jpg', 'jpeg', 'gif', 'png');
	public static $UPLOAD_DOC_EXTS = array('jpg', 'jpeg', 'gif', 'png', 'doc', 'ppt', 'pdf', 'xls', 'docx', 'pptx', 'xlsx');
	const ID_SEPARATOR = '_';

	//Database constant
	const USER_TABLE = 'users';
	const COMP_TABLE = 'companies';
	const CODE_TABLE = 'codes';
	const URL_TABLE = 'urls';
	const MSG_TABLE = 'messages';
	const CHAN_TABLE = 'channels';
	const CONN_TABLE = 'connections';
	const ART_TABLE = 'articles';
	const OPT_TABLE = 'options';
	const OPTVAL_TABLE = 'option_values';
	const OPTNAME_TABLE = 'option_names';
	const PROC_TABLE = 'procedures';
	const STEP_TABLE = 'steps';
	const IMG_TABLE = 'images';
	const DOC_TABLE = 'docs';
	const FILE_TABLE = 'files';
	const SEARCH_TABLE = 'searchs';
	const TABL_TABLE = 'tables';
	
	//Code
	const MAX_LIST_LENGTH = 5;

	//Authorizations
	const MEMBER_ACTIVE = 1;
	const MEMBER_INACTIVE = 0;
	const CLEARANCE_MEMBER = 0;
	const CLEARANCE_ADMIN = 9;
	const EXT_ACCESS = 'external_access';
	const USER_COOKIE_ID = 'count';
	const USER_COOKIE_PASS = 'checksum';
	const COOKIE_LIFESPAN = 7;
	const FIRST_LAST_SEP = ' ';
	const NAME_PASS_SEP = '-';

	//HTTP Requests response
	const ERROR = '__ERROR__';
	const SUCCESS = '__SUCCESS__';
	const DISCONNECTED = '__DISCONNECTED__';
	const NOT_FOUND = '__NOT_FOUND__';
	const NOT_AUTH = '__NOT_AUTHORIZED__';
	const FAIL_INSERT = '__FAIL_INSERT__';
	const FAIL_UPDATE = '__FAIL_UPDATE__';
	const FAIL_DELETE = '__FAIL_DELETE__';

	//Chat Constants
	//TODO Transfer these constants to chat page
	const MESSAGE_USER = 'U';
	const MESSAGE_ADD_CODE = 'A';
	const MESSAGE_EDIT_CODE = 'E';
	const MESSAGE_ADD_PROC = 'PA';
	const MESSAGE_EDIT_PROC = 'PE';
	const MESSAGE_ADD_DOC = 'DA';
	const MESSAGE_EDIT_DOC = 'DE';
	const MESSAGE_ADD_TABLE = 'TA';
	const MESSAGE_EDIT_TABLE = 'TE';
	const MESSAGE_ACTION = 'M';
	const MESSAGE_PRIVATE = 'P';
	const MESSAGE_IMG = 'I';
	const MESSAGE_9GAG = '9';
	const MESSAGE_NICK = 'N';
	const MESSAGE_STATUS = 'S';
	const MESSAGE_CONN = 'C';
	const MESSAGE_INVITE = 'V';
	const MESSAGE_REBOOT = 'R';
	const MESSAGE_ARTICLE = 'B';
	const MESSAGE_NEWS = 'NW';
	const DEFAULT_COMPANY_LOGO = 'logo_unknown_24.png';
	const ALL_CHAN_ID = 1;
	const ALL_CHAN_TEXT = 'A.l.l_C.h.a.n_I.n.c.l.u.d.e.d';
	const DEFAULT_CHAN_ID = 2;
	const DEFAULT_CHAN = 'Principal';
	const KEEP_ALIVE = 600; //seconds
	const REBOOT_DELAY = 15; //seconds
	const PM_SEP = '___';
	const CHAT_IMG_MAX_WIDTH = 700;
	const CHAT_IMG_MAX_HEIGHT = 1080;
	const JSON_PREFIX = '[\-JSON-/]';
	const MAX_NB_NEWS = 3;

	//Options Name Id Constants
	const LANG_FR = 'FR';
	const OPT_TEXT = 'T';
	const OPT_PASS = 'P';
	const OPT_SELECT = 'S';
	const OPT_NICKNAME = 1;
	const OPT_BG = 2;
	const OPT_BRIGHT_BG = 3;
	const OPT_HOVER = 4;
	const OPT_IMAGE_CHAT = 6;
	const OPT_STATUS = 7;
	const OPT_CONSOLE = 8;
	const OPT_EMAIL = 9;
	
	//Options Values Id Constants
	const OPT_CONSOLE_YES = 1;
	const OPT_CONSOLE_NO = 2;
	
	//Options Values Constants
	const OPT_VAL_YES = 'oui';
	const OPT_VAL_NO = 'non';

	//Search Constants
	const CODE_TYPE = 'c';
	const PROC_TYPE = 'p';
	const ART_TYPE = 'a';
	const DOC_TYPE = 'd';
	const TABLE_TYPE = 't';
	public static $HASH_TO_PAGE = array(self::CODE_TYPE=>'code', 'code'=>'code',
										self::PROC_TYPE=>'procedure', 'proc'=>'procedure', 'procedure'=>'procedure',
										self::TABLE_TYPE=>'table', 'table'=>'table',
										self::DOC_TYPE=>'doc', 'documentation'=>'doc', 'doc'=>'doc',
										self::ART_TYPE=>'article', 'art'=>'article', 'article'=>'article',
										'list'=>'list', 'liste'=>'list',
										'chat'=>'chat',
										'profil'=>'profile', 'profile'=>'profile',
										'options'=>'options',
										's'=>'search', 'r'=>'search', 'search'=>'search', 'recherche'=>'search',
										'accueil'=>'welcome',
										'erreur'=>'error',
										'logout'=>'logout');
	public static $TYPES = array(	self::CODE_TYPE	=>array('table'	=>	self::CODE_TABLE,	'title'	=>	'Code'),
									self::PROC_TYPE	=>array('table'	=>	self::PROC_TABLE,	'title'	=>	'Procédure'),
									self::ART_TYPE	=>array('table'	=>	self::ART_TABLE,	'title'	=>	'Article'),
									self::DOC_TYPE	=>array('table'	=>	self::DOC_TABLE,	'title'	=>	'Documentation'),
									self::TABLE_TYPE=>array('table'	=>	self::TABL_TABLE,	'title'	=>	'Table'));
	public static $PAGE_TITLES = array(	'code'=>'Code', 'chat'=>'Chat', 'doc'=>'Documentation', 'error'=>'Page introuvable',
										'list'=>'La liste', 'options'=>'Paramètres', 'procedure'=>'Procédure', 'profile'=>'Profil',
										'search'=>'Recherche', 'welcome'=>'Bienvenue', 'table'=>'Table', 'article'=>'Article de blog', 
										'logout'=>'Déconnexion');
		
	//Doc constants
	const DOC_FOLDER = 'docs/';
	const DOC_TMP_FOLDER = 'docs/tmp/';
	const DOC_THUMB_FOLDER = 'docs/thumb/';

	//Objects
	private $oMySql;
	private $oSearchEngine;
	private $oClassManagement;
	private $oAuth;

	//Variables
	private $iUserId;
	private $asUserInfo;
	private $sLanguage;

	/**
	 * Constructor
	 * @param ClassManagement $oClassManagement
	 */
	function __construct($oClassManagement)
	{
		parent::__construct(__CLASS__, Settings::DEBUG);
		$this->oClassManagement = $oClassManagement;
		$this->oClassManagement->incClass('auth');
		$this->oClassManagement->incClass('mysqlmanager');
		$this->oClassManagement->incClass('procedure');
		$this->oClassManagement->incClass('searchengine');
		$this->oClassManagement->incClass('mask');

		//Hasher
		$this->oAuth = new Auth();
		
		//Browser <> PHP <> MySql synchronization
		date_default_timezone_set(Settings::TIMEZONE);
		ini_set('default_charset', Settings::TEXT_ENC);
		header('Content-Type: text/html; charset='.Settings::TEXT_ENC);
		mb_internal_encoding(Settings::TEXT_ENC);
		mb_http_output(Settings::TEXT_ENC);
		mb_http_input(Settings::TEXT_ENC);
		mb_language('uni');
		mb_regex_encoding(Settings::TEXT_ENC);

		//Passing settings down to mySQL
		$this->oMySql = new MySqlManager(Settings::DB_SERVER, Settings::DB_LOGIN, Settings::DB_PASS, Settings::DB_NAME, self::getSqlOptions(), Settings::DB_ENC);
		if($this->oMySql->sDbState == MySqlManager::DB_NO_DATA) $this->install();

		//Init other variables
		$this->setUserId(0);
		$this->sLanguage = self::LANG_FR;
		$this->oSearchEngine = new SearchEngine($this->oMySql);
	}
	
	public static function getSqlOptions()
	{
		$asOptions = array();
		$asOptions['tables'] = array
		(
			self::USER_TABLE => array('first_name', 'last_name', MySqlManager::getId(self::COMP_TABLE), 'pass', 'auth_cookie', 'active', 'clearance'),
			self::COMP_TABLE => array(MySqlManager::getText(self::COMP_TABLE), 'logo'),
			self::CODE_TABLE => array(MySqlManager::getText(self::CODE_TABLE), 'description', MySqlManager::getId(self::USER_TABLE), 'refer_id'),
			self::URL_TABLE => array(MySqlManager::getId(self::CODE_TABLE), 'phrase'),
			self::MSG_TABLE => array(MySqlManager::getId(self::USER_TABLE), 'nickname', MySqlManager::getId(self::CHAN_TABLE), MySqlManager::getText(self::MSG_TABLE), 'type', 'date'),
			self::CHAN_TABLE => array('safe_name', MySqlManager::getText(self::CHAN_TABLE)),
			self::CONN_TABLE => array(MySqlManager::getId(self::USER_TABLE), MySqlManager::getId(self::CHAN_TABLE)),
			self::OPT_TABLE => array(MySqlManager::getId(self::USER_TABLE), MySqlManager::getId(self::OPTNAME_TABLE), MySqlManager::getId(self::OPTVAL_TABLE), MySqlManager::getText(self::OPT_TABLE)),
			self::OPTNAME_TABLE => array(MySqlManager::getText(self::OPTNAME_TABLE), 'type', 'language'),
			self::OPTVAL_TABLE => array(MySqlManager::getId(self::OPTNAME_TABLE), MySqlManager::getText(self::OPTVAL_TABLE), 'language'),
			self::PROC_TABLE => array(MySqlManager::getId(self::USER_TABLE), 'title', 'description', 'refer_id'),
			self::STEP_TABLE => array(MySqlManager::getId(self::PROC_TABLE), 'description'),
			self::IMG_TABLE => array(MySqlManager::getId(self::PROC_TABLE), MySqlManager::getId(self::STEP_TABLE), 'description', 'file_name'),
			self::DOC_TABLE => array(MySqlManager::getId(self::USER_TABLE), 'title', 'description', 'refer_id'),
			self::FILE_TABLE => array(MySqlManager::getId(self::DOC_TABLE), 'description', 'file_name'),
			self::SEARCH_TABLE => array('id_item', 'refer_id', 'type', 'keywords'),
			self::ART_TABLE => array('title', 'link', 'date', 'first_name', 'last_name', 'email'),
			self::TABL_TABLE => array(MySqlManager::getId(self::USER_TABLE), 'title', 'description', 'system', 'keywords', 'refer_id')
		);
		$asOptions['types'] = array
		(
				'first_name' => "varchar(20) NOT NULL",
				'last_name' => "varchar(20) NOT NULL",
				'nickname' => "varchar(50) NOT NULL",
				'email' => "varchar(100) NOT NULL",
				'pass' => "varchar(255) NOT NULL",
				'auth_cookie' => "varchar(255) NOT NULL",
				'active' => "tinyint(1) DEFAULT ".self::MEMBER_ACTIVE,
				'clearance' => "int(1) DEFAULT ".self::CLEARANCE_MEMBER,
				MySqlManager::getText(self::CODE_TABLE) => "longtext NOT NULL",
				'title' => "varchar(200) NOT NULL",
				'description' => "varchar(500) NOT NULL",
				'link' => "varchar(200) NOT NULL",
				'refer_id' => "int(10) UNSIGNED NOT NULL",
				'phrase' => "varchar(50) NOT NULL",
				MySqlManager::getText(self::MSG_TABLE) => "varchar(500) NOT NULL",
				'type' => "varchar(2) NOT NULL",
				'safe_name' => "varchar(50) NOT NULL",
				MySqlManager::getText(self::CHAN_TABLE) => "varchar(50) NOT NULL",
				MySqlManager::getText(self::OPT_TABLE) => "varchar(100) NOT NULL",
				MySqlManager::getText(self::OPTNAME_TABLE) => "varchar(100) NOT NULL",
				MySqlManager::getText(self::OPTVAL_TABLE)=> "varchar(50) NOT NULL",
				'language' => "varchar(2) NOT NULL",				
				'file_name' => "varchar(40) NOT NULL",
				'preview_name' => "varchar(40) NOT NULL",
				'id_item' => "int(10) UNSIGNED NOT NULL",
				'keywords' => "longtext NOT NULL",
				MySqlManager::getText(self::COMP_TABLE) => "varchar(30) NOT NULL",
				'logo' => "varchar(20) NOT NULL",
				'date' => "date NOT NULL",
				'system' => "varchar(3)"
		);
		$asOptions['constraints'] = array
		(
				self::USER_TABLE => "UNIQUE KEY `user_first_and_last_name` (`first_name`, `last_name`)",
				self::URL_TABLE => "UNIQUE KEY `uni_phrase` (`phrase`)",
				self::MSG_TABLE => "INDEX(`date`)",
				self::ART_TABLE => "INDEX(`title`)"
		);
		$asOptions['cascading_delete'] = array
		(
				self::CODE_TABLE => array(self::URL_TABLE),
				self::PROC_TABLE => array(self::STEP_TABLE, self::IMG_TABLE)
		);
		return $asOptions;
	}
	
	public static function getTypeInfo($oInfo=array(), $sType='')
	{
		if($sType!='')
		{
			if($sType!='' && !array_key_exists($sType, self::$TYPES)) $this->addError('Type "'.$sType.'" inconnu');
			else $asResult = array($sType=>self::$TYPES[$sType]);
		}
		else $asResult = self::$TYPES;
		
		//info
		if(is_string($oInfo)) $oInfo = array($oInfo);
		$bUnique = (count($oInfo)==1);
		if(!empty($oInfo))
		{
			foreach($asResult as $sType=>$asTypeInfo)
			{
				$asResult[$sType] = array();
				foreach($oInfo as $sInfo)
				{
					if(!array_key_exists($sInfo, $asTypeInfo)) $this->addError('Info "'.$sInfo.'" inconnue');
					else $asResult[$sType][$sInfo] = $asTypeInfo[$sInfo];
				}
				if($bUnique) $asResult[$sType] = $asResult[$sType][$sInfo];
			}
		}

		return $asResult;
	}
	
	private function getPageTitles($sPage='')
	{
		$asPageTitles = self::$PAGE_TITLES;
		if($sPage!='' && !array_key_exists($sPage, $asPageTitles)) $this->addError('Page "'.$sPage.'" inconnu');
		return $sPage==''?$asPageTitles:$asPageTitles[$sPage];
	}
							
	private function getPagesFromHash($sHash='')
	{
		$asHashToPage = self::$HASH_TO_PAGE;
		if($sHash!='' && !array_key_exists($sHash, $asHashToPage)) $this->addError('Hash "'.$sHash.'" inconnu');
		return $sHash==''?$asHashToPage:$asHashToPage[$sHash];
	}
	
	private function install()
	{
		//Install DB
		$this->oMySql->install();

		//Options
		$sOptionNameCol = MySqlManager::getText(self::OPTNAME_TABLE);
		$sOptionValueCol = MySqlManager::getText(self::OPTVAL_TABLE);
		$sOptionNameIdCol = MySqlManager::getId(self::OPTNAME_TABLE);
		$sOptionValueIdCol = MySqlManager::getId(self::OPTVAL_TABLE);
		$iNicknameOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_NICKNAME, $sOptionNameCol=>'pseudo du chat', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iBgColorOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_BG, $sOptionNameCol=>'couleur de fond', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iBgColorOpt2Id = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_BRIGHT_BG, $sOptionNameCol=>'couleur de fond 2 (claire)', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iHoverColorOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_HOVER, $sOptionNameCol=>'couleur de survol', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iChatImageOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_IMAGE_CHAT, $sOptionNameCol=>'image du chat', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iStatusOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_STATUS, $sOptionNameCol=>'mission en cours', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		$iConsoleOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_CONSOLE, $sOptionNameCol=>'afficher la console du chat', 'type'=>self::OPT_SELECT, 'language'=>self::LANG_FR));
		$iEmailOptId = $this->oMySql->insertRow(self::OPTNAME_TABLE, array($sOptionNameIdCol=>self::OPT_EMAIL, $sOptionNameCol=>'Email', 'type'=>self::OPT_TEXT, 'language'=>self::LANG_FR));
		
		//Console Option
		$asConsoleValues = array(self::OPT_CONSOLE_YES=>self::OPT_VAL_YES, self::OPT_CONSOLE_NO=>self::OPT_VAL_NO);
		foreach($asConsoleValues as $sConsoleValId=>$sConsoleValue){$this->oMySql->insertRow(self::OPTVAL_TABLE, array($sOptionValueIdCol=>$sConsoleValId, $sOptionNameIdCol=>self::OPT_CONSOLE, $sOptionValueCol=>$sConsoleValue, 'language'=>self::LANG_FR));}
		
		//Insert default and all channels
		$this->oMySql->insertRow(self::CHAN_TABLE, array('safe_name'=>self::getChanSafeName(self::ALL_CHAN_TEXT), MySqlManager::getText(self::CHAN_TABLE)=>self::ALL_CHAN_TEXT));
		$this->oMySql->insertRow(self::CHAN_TABLE, array('safe_name'=>self::getChanSafeName(self::DEFAULT_CHAN), MySqlManager::getText(self::CHAN_TABLE)=>self::DEFAULT_CHAN));

		//Install default users : admin and test
		$iAdminId = $this->addUser('françois', 'lutran', 'planeum', 'francois@lutran.fr', self::CLEARANCE_ADMIN);
		$this->addUser('test', 'test', 'test', 'test@test.com');

		//Write the SAP blog parser bash script to main folder
		@file_put_contents('sap_website_parser.sh', "#!/bin/bash\n\n/usr/bin/php -f index.php a=external_access p=blogs auth_token=".$iAdminId.'_'.str_replace('$', '\$', $this->generateExternalAccessToken($iAdminId)));
	}

	private function setUserId($iUserId)
	{
		$this->iUserId = $iUserId;
		$this->asUserInfo = ($iUserId>0)?$this->getUserInfo($iUserId):array();
	}

	public function getUserId()
	{
		return $this->iUserId;
	}

	public function getPage($sPage, $oItemId, $asVars=array())
	{
		$oPage = new Mask('index');
		$oPage->setTag('version', self::VERSION);
		$oPage->setTag('text_enc', Settings::TEXT_ENC);
		$oPage->setTag('index_link', $_GET['serv_name']);
		$oPage->setTag('rss_link', $this->generateExternalAccessLink('rss', $this->getUserid()));

		//Constants
		$asConstants = array(	'version'=>self::VERSION,
								'version_date'=>self::VERSION_DATE,
								'default_page'=>$sPage,
								'default_id'=>$oItemId,
								'errors'=>array('disconnected'=>self::DISCONNECTED,
												'not_authorized'=>self::NOT_AUTH,
												'not_found'=>self::NOT_FOUND,
												'insert'=>self::FAIL_INSERT,
												'update'=>self::FAIL_UPDATE,
												'delete'=>self::FAIL_DELETE),
								'success'=>self::SUCCESS,
								'error'=>self::ERROR,
								'keep_alive'=>self::KEEP_ALIVE,
								'opt_type_text'=>self::OPT_TEXT,
								'opt_type_pass'=>self::OPT_PASS,
								'opt_type_select'=>self::OPT_SELECT,
								'max_size'=>self::getMaxSize(),
								'authorized_img_exts'=>self::$UPLOAD_IMG_EXTS,
								'authorized_file_exts'=>self::$UPLOAD_DOC_EXTS,
								'id_sep'=>self::ID_SEPARATOR,
								'mask_folder'=>Mask::MASK_FOLDER,
								'image_folder'=>Procedure::IMAGE_FOLDER,
								'image_folder_tmp'=>Procedure::IMAGE_FOLDER_TMP,
								'image_folder_thumb'=>Procedure::IMAGE_FOLDER_THUMB,
								'default_chan'=>self::DEFAULT_CHAN,
								'all_chan_id'=>self::ALL_CHAN_ID,
								'all_chan_text'=>self::ALL_CHAN_TEXT,
								'pm_separator'=>self::PM_SEP,
								'reboot_delay'=>self::REBOOT_DELAY,
								'versionHtml'=>$this->getItemBlock(),
								'opt_console_no'=>self::OPT_CONSOLE_NO,
								'types'=>$this->getTypeInfo('title'));
		$oPage->setTag('constants', $this->jsonConvert($asConstants));
		
		//Variables
		$asVars['page_titles'] = $this->getPageTitles();
		$asVars['user_id'] = $this->getUserId();
		$asVars['hash_to_page'] = $this->getPagesFromHash();
		$asVars['page_to_hash'] = array_flip($asVars['hash_to_page']);
		$asVars['opt_console'] = $this->getUserOptionValue(self::OPT_CONSOLE);
		$oPage->setTag('variables', $this->jsonConvert($asVars));
		
		return $oPage->getMask();
	}
	
	public function getLogonPage($bFirstConn)
	{
		$oPage = new Mask('logon');
		$oPage->setTag('feedback', $bFirstConn?'':'Données incorrectes');
		$oPage->setTag('version', self::VERSION);
		$oPage->setTag('name_pass_sep', self::NAME_PASS_SEP);
		return $oPage->getMask();
	}

	public function getRss($sCat='')
	{
		//Class Feed
		$this->oClassManagement->incClass('rss');

		//Building header
		$asDesc = array
		(
				'title'=>'Flux RSS Databap'.($sCat==''?'':' - '.$sCat),
				'link'=>$this->getInternalLink('rss', $sCat),
				'copyright'=>'Powered by Francois Lutran. RSS Feed Generator under GPLv3 License',
				'description'=>'Flux RSS du chat'.($sCat==''?'':', section '.$sCat),
				'language'=>'fr',
				'webmaster_mail'=>'francois@lutran.fr'
		);
		$oFeed = new Feed($asDesc);

		//Building items
		if($sCat=='news')
		{
			$asNews = $this->getNews(false);
			$iLinkId = count($asNews);
			foreach($asNews as $asRow)
			{
				//TODO mutualiser avec le reste
				$sChatlink = $this->getInternalLink('chat', $asRow[MySqlManager::getId(self::MSG_TABLE)]);
				$asItem = array
				(
						'title'=>'Lien'.($sCat==''?'':' - '.$sCat).' #'.$iLinkId,
						'category'=>$sCat,
						'description'=>$asRow['message'],
						'author'=>$asRow['nickname'],
						'link'=>$sChatlink,
						'pub_date'=>$asRow['time'],
						'guid'=>$sChatlink
				);
				$oFeed->addItem($asItem);
				$iLinkId -= 1;
			}
		}
		else
		{
			switch($sCat)
			{
				case '9gag':
					$sRegEx = '(https?://|www\\.)(.*)9gag\\.com';
					break;
				case 'youtube':
					$sRegEx = '(https?://|www\\.)(.*)youtube\\.com';
					break;
				case '':
					$sRegEx = '(https?://|www\\.)[\.A-Za-z0-9\-]+\\.[a-zA-Z]{2,4}';
					break;
				default:
					$sRegEx = '(https?://|www\\.)(.*)'.$sCat.'(.*)\\.[a-zA-Z]{2,4}';
					break;
			}
			$asResult = $this->oMySql->selectRows(array('select'=>array('id_message', 'nickname', 'message', 'led'), 'from'=>'messages', 'constraint'=>array('message'=>$sRegEx), 'constOpe'=>array('message'=>' REGEXP ')));
			
			$sPattern = '/(https?\:\/\/|www\.)[\S]+\.[a-zA-Z]{2,4}([\S]*)/ui';
			foreach($asResult as $iLinkId=>$asRow)
			{
				//get link out of message
				preg_match($sPattern, $asRow['message'], $asMatches);
				$asRow['link'] = (substr($asMatches[0], 0, 4)=='http')?$asMatches[0]:'http://'.$asMatches[0];
					
				//add item
				$sChatlink = $this->getInternalLink('chat', $asRow['id_message']);
				$asItem = array
				(
						'title'=>'Lien'.($sCat==''?'':' - '.$sCat).' #'.($iLinkId+1),
						'category'=>$sCat,
						'description'=>'Lien post&eacute; par '.self::getNickNameFormat($asRow['nickname']).' &agrave; '.self::getDateFormat($asRow['led']).' : <a href="'.$asRow['link'].'" target="_blank">'.$asRow['message'].'</a>',
						'author'=>$asRow['nickname'],
						'link'=>$sChatlink,
						'pub_date'=>$asRow['led'],
						'guid'=>$sChatlink
				);
				$oFeed->addItem($asItem);
			}
		}
		
		return $oFeed->getFeed();
	}

	public function syncSapBlog()
	{
		//Get articles list
		$asArticles = $this->getSAPBlogRss();

		//Update and spread the news
		$asResult = array();
		$iTimeStamp = time();
		if(date('N', $iTimeStamp)>5 || date('G', $iTimeStamp)>19) $asResult[] = "Pas de mise-à-jour pendant le week end ou en soirée.";
		else
		{
			foreach($asArticles as $asArticle)
			{
				$iArticleId = $this->oMySql->selectValue(self::ART_TABLE, MySqlManager::getId(self::ART_TABLE), array('title'=>$asArticle['title']));

				if($iArticleId==0)
				{
					$iArticleId = $this->oMySql->insertRow(self::ART_TABLE, $asArticle);
					$this->addMessage($iArticleId, self::MESSAGE_ARTICLE, self::DEFAULT_CHAN_ID);
					$this->oSearchEngine->buildIndex($iArticleId, self::ART_TYPE);
					$sResult = 'ADDED';
				}
				else $sResult = 'OK';
				$asResult[$iArticleId] = $sResult.' | '.implode(' | ', $asArticle);
			}
		}
		return MySqlManager::implodeAll($asResult, '->', "\n");
	}

	private function getSAPBlogRss()
	{
		$asArticles = array();
		
		//SCN SAP
		$sSAPDomain = 'http://scn.sap.com';
		$asBlogPaths = array(	'/community/data-warehousing/bw/blog',
								'/community/data-warehousing/blog',
								'/community/bw-hana/blog');
		foreach($asBlogPaths as $sSAPBlogPath)
		{
			$sSAPBlogUrl = $sSAPDomain.$sSAPBlogPath;
			$oDom = $this->getRemotePageDom($sSAPBlogUrl);
			$aoArticles = $oDom->getElementsByTagName('header');
			foreach($aoArticles as $oArticle)
			{
				if($oArticle->getAttribute('class')=='jive-blog-post-subject')
				{
					$asArticleInfo = array();
					$aoLinks = $oArticle->getElementsByTagName('a');
					foreach($aoLinks as $oLink)
					{
						switch($oLink->getAttribute('class'))
						{
							//Title & link
							case 'font-color-normal':
								$asArticleInfo['title'] = trim($oLink->nodeValue);
								$asArticleInfo['title'] = mb_substr($asArticleInfo['title'], -1)=='.'?mb_substr($asArticleInfo['title'], 0, -1):$asArticleInfo['title'];
								$asArticleInfo['link'] = $oLink->getAttribute('href');
								$asArticleInfo['date'] = mb_substr(str_replace(array($sSAPBlogUrl.'/', '/'), array('', '-'), $asArticleInfo['link']), 0, 10);
								break;
							//Author
							case 'jiveTT-hover-user jive-username-link':
								$asNames = array_filter(explode(' ', ToolBox::mb_ucwords(trim($oLink->nodeValue))));
								$asArticleInfo['first_name'] = array_shift($asNames);
								$asArticleInfo['last_name'] = implode('-', $asNames);
								$asArticleInfo['email'] = $sSAPDomain.$oLink->getAttribute('href');
								break;
						}
					}
					$asArticles[] = $asArticleInfo;
				}
			}
		}
		
		//BI Portal
		$oDom = $this->getRemotePageDom('http://www.biportal.org/sap_bi_blog');
		$aoArticles = $oDom->getElementsByTagName('li');
		foreach($aoArticles as $oArticle)
		{
			if($oArticle->getAttribute('class')=='boxesListItem' && $oArticle->getAttribute('id') > 0)
			{
				$asArticleInfo = array();
				$aoLinks = $oArticle->getElementsByTagName('a');
				$oLink = $aoLinks->item(0);

				$asArticleInfo['link'] = $oLink->getAttribute('href');
				$asArticleInfo['title'] = trim($oLink->nodeValue);

				$aoLinks = $oArticle->getElementsByTagName('span');
				foreach($aoLinks as $oLink)
				{
					switch($oLink->getAttribute('class'))
					{
						case 'postedOn':
							$asArticleInfo['date'] = date(self::DATE_SQL_FORMAT, strtotime($oLink->nodeValue));
							break;
						case 'postedByLink':
							$sName = trim($oLink->firstChild->nodeValue);
							$asArticleInfo['first_name'] = strstr($sName, ' ', true);
							$asArticleInfo['last_name'] = substr(strstr($sName, ' '), 1);
							$asArticleInfo['email'] = $oLink->firstChild->getAttribute('href');
							break;
					}
				}
				$asArticles[] = $asArticleInfo;
			}
		}
		
		//SAP BW BW
		$oDom = $this->getRemotePageDom('http://sapbwbw.com/');
		$aoArticles = $oDom->getElementsByTagName('header');
		foreach($aoArticles as $oArticle)
		{
			if($oArticle->getAttribute('class')=='entry-header')
			{
				$asArticleInfo = array();
				$aoLinks = $oArticle->getElementsByTagName('a');
				$oLink = $aoLinks->item(0);
				$asArticleInfo['link'] = $oLink->getAttribute('href');
				$asArticleInfo['title'] = trim($oLink->nodeValue);

				$aoLinks = $oArticle->getElementsByTagName('time');
				$oLink = $aoLinks->item(0);
				$asArticleInfo['date'] = mb_substr($oLink->getAttribute('datetime'), 0, 10);
				$asArticleInfo['first_name'] = 'Claudio';
				$asArticleInfo['last_name'] = 'Ciardelli';
				$asArticleInfo['email'] = '';
				$asArticles[] = $asArticleInfo;
			}
		}
		
		return $asArticles;
	}

	private function get9gagPost($sUrl)
	{
		$asPost = array('url'=>$sUrl);
		$oDom = $this->getRemotePageDom($sUrl);

		$oDivs = $oDom->getElementsByTagName('section');
		foreach($oDivs as $oPost) {if($oPost->getAttribute('id')=='individual-post') break;}

		//Title
		$asPost['title'] = $oPost->getElementsByTagName('h2')->item(0)->nodeValue;

		//Image
		$oImages = $oPost->getElementsByTagName('img');
		foreach($oImages as $oImage)
		{
			switch($oImage->getAttribute('class'))
			{
				case 'badge-item-animated-img':
					$o9gagImage = $oImage;
					break 2;
				case 'badge-item-img':
					$o9gagImage = $oImage;
					break;
			}
		}
		$asResult = $this->downloadToTmp($o9gagImage->getAttribute('src'));

		if($asResult['error']=='')
		{
			$asPost['url_img'] = $asResult['out'];
			$asPost['width'] = $asResult['width'];
			$asPost['height'] = $asResult['height'];
		}

		return $asPost;
	}

	private function getRemotePageDom($sUrl)
	{
		$oDom = new DOMDocument();
		@$oDom->loadHTML(file_get_contents($sUrl));
		return $oDom->getElementsByTagName('body')->item(0);
	}

	public function addUser($sFirstName, $sLastName, $sCompany, $sEmail='', $iClearance=self::CLEARANCE_MEMBER)
	{
		$sFirstName = mb_strtolower($sFirstName);
		$sLastName = mb_strtolower($sLastName);
		$sCompany = mb_strtolower($sCompany);
		$sEmail = mb_strtolower($sEmail);

		//Checking company existency in company table
		$sCompanyTextCol = MySqlManager::getText(self::COMP_TABLE);
		$iCompanyId = $this->oMySql->selectInsert(self::COMP_TABLE, array($sCompanyTextCol=>$sCompany, 'logo'=>self::DEFAULT_COMPANY_LOGO), array($sCompanyTextCol));
		
		$asInfo = array('first_name'=>$sFirstName,
				'last_name'=>$sLastName,
				'active'=>self::MEMBER_ACTIVE,
				MySqlManager::getId(self::COMP_TABLE)=>$iCompanyId,
				'pass'=>$this->oAuth->HashPassword(self::getLoginToken($sCompany)),
				'clearance'=>$iClearance,
				'led'=>'0000-00-00 00:00:00');
		$iUserId = $this->oMySql->insertRow(self::USER_TABLE, $asInfo);

		//Admin Options
		$sOptionTable = self::OPT_TABLE;
		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$sOptNameIdCol = MySqlManager::getId(self::OPTNAME_TABLE);
		$sOptionTextCol = MySqlManager::getText(self::OPT_TABLE);
		$sOptionValIdCol = MySqlManager::getId(self::OPTVAL_TABLE);
		$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_NICKNAME, $sOptionTextCol=>$sFirstName));
		//$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_BG, $sOptionTextCol=>'#04357B'));
		//$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_BRIGHT_BG, $sOptionTextCol=>'#D9E5F2'));
		//$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_HOVER, $sOptionTextCol=>'#EFAB00'));
		//$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_TOKEN, $sOptionTextCol=>$this->generateExternalAccessLink('rss', $iUserId)));
		//$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_IMAGE_CHAT, $sOptionTextCol=>'images/sap_gold_332.jpg'));
		$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_CONSOLE, $sOptionValIdCol=>self::OPT_CONSOLE_NO));
		$this->oMySql->insertRow($sOptionTable, array($sUserIdCol=>$iUserId, $sOptNameIdCol=>self::OPT_EMAIL, $sOptionTextCol=>$sEmail));
		
		return $iUserId;
	}

	public function buildCompleteIndex()
	{
		$this->oMySql->emptyTable(self::SEARCH_TABLE);
		foreach($this->getTypeInfo('table') as $sSearchType=>$sSearchTable)
		{
			$asItemIds = $this->oMySql->selectRows(array('select'=>MySqlManager::getId($sSearchTable), 'from'=>$sSearchTable));
			foreach($asItemIds as $iItemId) $this->oSearchEngine->buildIndex($iItemId, $sSearchType);
		}
	}

	//insert new code / version
	public function addCode($asData)
	{
		$sContent = $asData['content'];
		$sDescription = $asData['description'];
		$sLink = str_replace(' ', '_', $asData['link']);

		//insert value in db
		$asInsert = array(	MySqlManager::getText(self::CODE_TABLE)=>$sContent,
				'description'=>$sDescription,
				'id_user'=>$this->getUserId());
		$iCodeId = $this->oMySql->insertRow(self::CODE_TABLE, $asInsert);

		//insert link if exists
		if($sLink!='')
		{
			$asInsert = array(MySqlManager::getId(self::CODE_TABLE)=>$iCodeId, 'phrase'=>$sLink);
			$this->oMySql->insertRow(self::URL_TABLE, $asInsert);
		}

		//refer id update
		$this->oMySql->updateRow(self::CODE_TABLE, $iCodeId, array('refer_id'=>$iCodeId));

		//Add message
		$this->addMessage($iCodeId, self::MESSAGE_ADD_CODE, self::DEFAULT_CHAN_ID);

		//Add record in Search Table
		$this->oSearchEngine->buildIndex($iCodeId, self::CODE_TYPE);

		return $iCodeId;
	}

	public function editCode($oCode, $sContent)
	{
		$asRef = $this->getCodeInfo($oCode, 'first');
		$iVersion = $this->oMySql->selectValue(self::CODE_TABLE, 'COUNT(id_code)', array('refer_id'=>$asRef['id_code']))+1;
		$asEdit = array('code'=>$sContent,
				'description'=>$asRef['description'].' (v'.$iVersion.')',
				'id_user'=>$this->iUserId,
				'refer_id'=>$asRef['id_code']);

		$iCodeId = $this->oMySql->insertRow(self::CODE_TABLE, $asEdit);

		//Add message
		$this->addMessage($iCodeId, self::MESSAGE_EDIT_CODE, self::DEFAULT_CHAN_ID);

		//Add record in Search Table
		$this->oSearchEngine->buildIndex($iCodeId, self::CODE_TYPE);

		return $iCodeId;
	}

	public function addProcedure($asPost)
	{
		$oProcedure = new Procedure($this->oMySql);
		$asPost['id_user'] = $this->getUserId();
		$oProcedure->inputForm($asPost);
		$asErrors = $oProcedure->checkIntegrity();
		if(count($asErrors)==0)
		{
			//Previous procedure Id
			$iPrevProcId = isset($asPost['procedure_id'])?$asPost['procedure_id']:0;
				
			//Load procedure into database
			$bCreation = $oProcedure->saveProcedure($iPrevProcId);
				
			//Extract extra data
			$asProc = $oProcedure->getProcedure();
			$iNewProcId = $asProc['proc_id'];
			$asUser = $this->getUserInfo($this->getUserId());
				
			$oResult = array('result'=>'success',
					'proc_id'=>$iNewProcId,
					'led'=>$asProc['led'],
					'name'=>$asUser['name'],
					'company'=>$asUser['company']);
				
			//Add Message in chat
			if($bCreation)
			{
				$this->addMessage($iNewProcId, self::MESSAGE_ADD_PROC, self::DEFAULT_CHAN_ID);
			}
			else
			{
				$this->addMessage($iNewProcId, self::MESSAGE_EDIT_PROC, self::DEFAULT_CHAN_ID);
			}
				
			//Add record in Search Table
			$this->oSearchEngine->buildIndex($iNewProcId, self::PROC_TYPE);
		}
		else
		{
			$oResult = array('result'=>'fail', 'errors'=>$asErrors);
		}

		return self::jsonExport($oResult);
	}

	public function getProcedure($iProcId)
	{
		$oProcedure = new Procedure($this->oMySql);
		$oProcedure->loadProcedure($iProcId);
		$asProc = $oProcedure->getProcedure();

		//Adding user info
		$asUser = $this->getUserInfo($asProc['id_user']);
		$asProc['name'] = $asUser['name'];
		$asProc['company'] = $asUser['company'];

		return self::jsonExport($asProc);
	}

	public function addDoc($asPost)
	{
		//Previous Doc Id
		$iPrevDocId = array_key_exists('doc_id', $asPost)?$asPost['doc_id']:0;
		$bCreation = ($iPrevDocId==0);

		//User
		$iUserId = $this->getUserId();

		//Titles
		$sTitle = isset($asPost['title'])?$asPost['title']:'';
		$sDescription = isset($asPost['description'])?$asPost['description']:'';

		//Get docs
		$sImagePattern = '/c1_(?P<doc_id>\d+)_image_(?P<doc_info>\w+)/u';
		foreach($asPost as $sFormId=>$sValue)
		{
			preg_match($sImagePattern, $sFormId, $asMatches);
			if(!empty($asMatches) && ($asMatches['doc_info'] == 'name' || $asMatches['doc_info'] == 'desc'))
			{
				$asDocs[$asMatches['doc_id']][$asMatches['doc_info']] = $sValue;
			}
		}
			
		//Load doc into database
		$asData = array('title'=>$sTitle, 'description'=>$sDescription, MySqlManager::getId(self::USER_TABLE)=>$iUserId);
		$iDbDocId = $this->oMySql->insertRow(self::DOC_TABLE, $asData);

		//Load doc files into database
		$asDocData[MySqlManager::getId(self::DOC_TABLE)] = $iDbDocId;
		foreach($asDocs as $asDocInfo)
		{
			//insert into database
			$sFileName = $asDocInfo['name'];
			$asDocData['description'] = $asDocInfo['desc'];
			$asDocData['file_name'] = $sFileName;
			$iDbImageId = $this->oMySql->insertRow(self::FILE_TABLE, $asDocData);
				
			//Move file
			$sTempFilePath = self::DOC_TMP_FOLDER.$sFileName;
			$sFilePath = self::DOC_FOLDER.$sFileName;
			if(!rename($sTempFilePath, $sFilePath))
			{
				$this->addError('Unmoveable file : '.$sTempFilePath);
			}
		}

		//Add this doc to the group
		$iReferId = $bCreation?$iDbDocId:$this->oMySql->selectValue(self::DOC_TABLE, 'refer_id', $iPrevDocId);
		$this->oMySql->updateRow(self::DOC_TABLE, $iDbDocId, array('refer_id'=>$iReferId));

		//Add Message in chat
		$this->addMessage($iDbDocId, $bCreation?self::MESSAGE_ADD_DOC:self::MESSAGE_EDIT_DOC, self::DEFAULT_CHAN_ID);

		//Add record in Search Table
		$this->oSearchEngine->buildIndex($iDbDocId, self::DOC_TYPE);

		return self::jsonExport(array('result'=>'success','doc_id'=>$iDbDocId));
	}

	public function getDoc($iDocId)
	{
		//Extract doc data
		$asDoc = $this->oMySql->selectRow(self::DOC_TABLE, $iDocId);
		$asDoc['description'] = self::getDescriptionFormat($asDoc['description']);
		$asDoc['title'] = self::getDescriptionFormat($asDoc['title']);
		$asDoc['led'] = self::getDateFormat($asDoc['led']);

		//Extract extra data
		$asUser = $this->getUserInfo($asDoc[MySqlManager::getId(self::USER_TABLE)]);
		$asDoc['name'] = $asUser['name'];
		$asDoc['company'] = $asUser['company'];

		//Extract doc files
		$asFiles = $this->oMySql->selectRows(array('from'=>self::FILE_TABLE, 'constraint'=>array('id_doc'=>$iDocId)));
		foreach($asFiles as $asFile)
		{
			$asDoc['files'][$asFile[MySqlManager::getId(self::FILE_TABLE)]] = array('description'=>self::getDescriptionFormat($asFile['description']),
					'ext'=>pathinfo($asFile['file_name'], PATHINFO_EXTENSION));
		}

		return self::jsonExport($asDoc);
	}
	
	public function addTable($sSystem, $sTitle, $sDescription, $sKeyWords, $iPrevTableId, $bSimul=false)
	{
		$bCreation = ($iPrevTableId==0);
		$iDbTableId = 0;
		$sDesc = '';
		
		//Previous table info
		if(!$bCreation) $asPrevTableInfo = $this->getTableInfo($iPrevTableId, false);

		//New table info
		$sTitle = mb_strtolower($bCreation?trim($sTitle):$asPrevTableInfo['title']);
		$sDescription = mb_strtolower(trim($sDescription));
		
		//Check for existing table with the same name
		if($bCreation && $this->checkValue(self::TABL_TABLE, array('title'=>$sTitle))) $sDesc = ToolBox::findReplaceLinks('Une documentation existe déjà pour la table '.self::getTableFormat($sTitle));
		elseif(!$bCreation && $iPrevTableId!=$this->getUpToDateId(self::TABL_TABLE, $sTitle)) $sDesc = ToolBox::findReplaceLinks('Une version plus récente de la table '.self::getTableFormat($sTitle).' existe');
		elseif(!$bSimul)
		{
			//Load table into database
			$asData = array(MySqlManager::getId(self::USER_TABLE)=>$this->getUserId(), 'title'=>$sTitle, 'description'=>$sDescription, 'system'=>$sSystem, 'keywords'=>$sKeyWords);
			$iDbTableId = $this->oMySql->insertRow(self::TABL_TABLE, $asData);
			
			if(!$iDbTableId) $sDesc = 'Erreur inconnue dans la base de données';
			else
			{
				//Add the group refer id
				$iReferId = $bCreation?$iDbTableId:$this->oMySql->selectValue(self::TABL_TABLE, 'refer_id', $iPrevTableId);
				$this->oMySql->updateRow(self::TABL_TABLE, $iDbTableId, array('refer_id'=>$iReferId));
				
				//Add Message in chat
				$this->addMessage($iDbTableId, $bCreation?self::MESSAGE_ADD_TABLE:self::MESSAGE_EDIT_TABLE, self::DEFAULT_CHAN_ID);
				
				//Add record in Search Table
				$this->oSearchEngine->buildIndex($iDbTableId, self::TABLE_TYPE);
			}
		}
		return $this->getJsonPostResult($iDbTableId>0, $sDesc, array('id'=>$iDbTableId, 'name'=>$sTitle));
	}
	
	public function getTable($oTableId)
	{
		$bReadById = is_numeric($oTableId);
		$iTableId = $bReadById?$oTableId:$this->getUpToDateId(self::TABL_TABLE, mb_strtolower($oTableId));
		
		//Extract table data
		$asTable = $this->getTableInfo($iTableId);
		$bSuccess = array_key_exists(MySqlManager::getId(self::TABL_TABLE), $asTable);
		$sDesc = '';
		if($bSuccess)
		{
			$asTable['date'] = self::getDateFormat($asTable['timestamp'], self::DATE_FORMAT);
			$asTable['title'] = $asTable['table_name'];
			unset($asTable['timestamp']);
			$asTable['id'] = $asTable[MySqlManager::getId(self::TABL_TABLE)];
			
			//Extract extra data
			$asUser = $this->getUserInfo($asTable[MySqlManager::getId(self::USER_TABLE)]);
			$asTable['name'] = $asUser['name'];
			$asTable['company'] = $asUser['company'];
			
			//Out of date warning
			$sRightTableLink = ToolBox::findReplaceLinks('Il existe une documentation plus à jour pour la table '.self::getTableFormat($asTable['title']));
			$asTable['warning'] = ($bReadById && $iTableId!=$this->getUpToDateId(self::TABL_TABLE, $iTableId))?$sRightTableLink:'';
		}
		else $sDesc = self::NOT_FOUND;
		
		return $this->getJsonPostResult($bSuccess, $sDesc, $asTable);
	}
	
	//TODO good idea ? If yes, apply to all types. Put in MySqlManager ? involve switchCodeId()
	private function getUpToDateId($sTableName, $oId)
	{
		if(is_numeric($oId)) $asConstraint = array('refer_id'=>$this->oMySql->selectValue(self::TABL_TABLE, 'refer_id', $oId)); //by Id
		else $asConstraint = array('title'=>$oId); //by phrase
		
		$sItemIdCol = 'id_item';
		$asInfo = array('select'=>array("MAX(".MySqlManager::getId($sTableName).") AS ".$sItemIdCol), //selecting last version among codes having the same refer_id
						'from'=>$sTableName,
						'constraint'=>$asConstraint,
						'groupBy'=>array('refer_id'),
						'orderBy'=>array($sItemIdCol=>'desc'));
		$asResult = $this->oMySql->selectRows($asInfo);
		return array_shift($asResult);
	}
	
	public function getFile($iFileId)
	{
		$sFileName = $this->oMySql->selectValue(self::FILE_TABLE, 'file_name', $iFileId);
		$sFilePath = self::DOC_FOLDER.$sFileName;
		$sFileFullPath = dirname($_SERVER['SCRIPT_FILENAME'])."/".$sFilePath;

		if(!file_exists($sFilePath))
		{
			die();
		}
		else
		{
			//get mime type
			if(class_exists('finfo'))
			{
				$oFileInfo = new finfo(FILEINFO_MIME);
				$sMimetype = $oFileInfo->file($sFileFullPath);
			}
			else
			{
				$sMimetype = 'application/force-download';
			}

			//set headers
			header('Pragma: public');
			header('Expires: 0');
			header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
			header('Cache-Control: public');
			header('Content-Description: File Transfer');
			header('Content-Type: '.$sMimetype);
			header('Content-Disposition: attachment; filename='.$sFileName);
			header('Content-Transfer-Encoding: binary');
			header('Content-Length: '.@filesize($sFilePath));

			// download
			if ($oFile = @fopen($sFilePath, 'rb'))
			{
				while(!feof($oFile))
				{
					print(fread($oFile, 1024*8));
					flush();
					if(connection_status() != 0)
					{
						@fclose($oFile);
					}
				}
				@fclose($oFile);
			}
		}
	}

	public function uploadImage()
	{
		$this->oClassManagement->incClass('fileuploader');
		$oFileUploader = new fileUploader(Procedure::IMAGE_FOLDER_TMP, self::$UPLOAD_IMG_EXTS);
		$asResult = $oFileUploader->handleUpload();

		return $this->jsonConvert($asResult);
	}

	public function uploadDoc()
	{
		$this->oClassManagement->incClass('fileuploader');
		$oFileUploader = new fileUploader(self::DOC_TMP_FOLDER, self::$UPLOAD_DOC_EXTS);
		$asResult = $oFileUploader->handleUpload();

		return $this->jsonConvert($asResult);
	}
	
	private function getItemInfo($sType, $iItemId)
	{
		return call_user_func(array($this, 'get'.ucfirst($this->getPagesFromHash($sType)).'Info'), $iItemId);
	}

	//TODO: one function only with a type parameter
	private function getCodeInfo($oCode, $sMode='', $bCode=false)
	{
		$iCodeId = is_numeric($oCode)?$oCode:$this->getIdCodeFromPhrase($oCode);

		//Mode (get last or first id_code)
		if($sMode!='')
		{
			$this->switchCodeId($iCodeId, $sMode);
		}

		//Efficient request  : don't request for the entire code
		if(!$bCode)
		{
			$asSelect = $this->oMySql->getTablecolumns(self::CODE_TABLE);
			unset($asSelect[MySqlManager::getText(self::CODE_TABLE)]);
			$asSelect = array_keys($asSelect);
		}
		else
		{
			$asSelect = "*";
		}
		
		$asCode = $this->oMySql->selectRow(self::CODE_TABLE, $iCodeId, $asSelect);
		$asCode['title'] = self::getDescriptionFormat($asCode['description']);
		$asCode['description'] = self::getDescriptionFormat($asCode['description']);
		$asCode['timestamp'] = strtotime($asCode['led']);
		$asCode['led'] = self::getDateFormat($asCode['led']);
		return $asCode;
	}

	private function getProcedureInfo($iProcId)
	{
		$asProc = $this->oMySql->selectRow(self::PROC_TABLE, $iProcId);
		$asProc['title'] = self::getDescriptionFormat($asProc['title']);
		$asProc['description'] = self::getDescriptionFormat($asProc['description']);
		$asProc['timestamp'] = strtotime($asProc['led']);
		$asProc['led'] = self::getDateFormat($asProc['led']);
		return $asProc;
	}

	private function getDocInfo($iDocId)
	{
		$asDoc = $this->oMySql->selectRow(self::DOC_TABLE, $iDocId);
		$asDoc['title'] = self::getDescriptionFormat($asDoc['title']);
		$asDoc['description'] = self::getDescriptionFormat($asDoc['description']);
		$asDoc['timestamp'] = strtotime($asDoc['led']);
		$asDoc['led'] = self::getDateFormat($asDoc['led']);
		return $asDoc;
	}
	
	private function getTableInfo($iTableId, $bFormatting=true)
	{
		$asTable = $this->oMySql->selectRow(self::TABL_TABLE, $iTableId);
		if(!empty($asTable))
		{
			$asTable['timestamp'] = strtotime($asTable['led']);
			if($bFormatting)
			{
				$asTable['system'] = self::getTableFormat($asTable['system']);
				$asTable['description'] = self::getDescriptionFormat($asTable['description']);
				$asTable['table_name'] = self::getTableFormat($asTable['title']);
				$asTable['title'] = self::getTableFormat($asTable['title']).' - '.$asTable['description'];
				$asTable['led'] = self::getDateFormat($asTable['led']);
				$asTable['formated_keywords'] = ToolBox::formatText($asTable['keywords']);
			}
		}
		return $asTable;
	}

	private function getArticleInfo($iArtId)
	{
		$asArt = $this->oMySql->selectRow(self::ART_TABLE, $iArtId);
		$asTransferredInfo = array('link_art'=>$asArt['link'], 'art_title'=>$asArt['title'], 'link_auth'=>$asArt['email']);
		$asTransferredInfo['art_date'] = self::getDateFormat($asArt['date'], self::DATE_FORMAT);
		$asTransferredInfo['name'] = self::getNameFormat($asArt['first_name'], $asArt['last_name']);
		$asTransferredInfo['title'] = self::getDescriptionFormat($asArt['title']);
		$asTransferredInfo['description'] = self::getDescriptionFormat($asArt['title']);
		$asTransferredInfo['timestamp'] = strtotime($asArt['led']);
		$asTransferredInfo['led'] = self::getDateFormat($asArt['led']);
		
		//Domain
		$asParsedUrl = parse_url($asArt['link']);
		$asTransferredInfo['domain'] = $asParsedUrl['host'];
		$asTransferredInfo['company'] = $asTransferredInfo['domain'];
		
		return $asTransferredInfo;
	}

	public function getUserInfo($iUserId, $bJson=false)
	{
		$asUserInfo = array();
		if($iUserId==$this->getUserId() && !empty($this->asUserInfo))
		{
			$asUserInfo = $this->asUserInfo;
		}
		elseif($iUserId > 0)
		{
			$asRow = $this->oMySql->selectRow(self::USER_TABLE, $iUserId);
			$sEmail = $this->getUserOptionValue(self::OPT_EMAIL, $iUserId);
			
			$asCompany = $this->oMySql->selectRow(self::COMP_TABLE, $asRow[MySqlManager::getId(self::COMP_TABLE)]);
			$asUserInfo =  array(	'name'=>self::getNameFormat($asRow['first_name'], $asRow['last_name']),
					'nickname'=>self::getNickNameFormat($this->getChatNickNames($iUserId)),
					'email'=>$sEmail,
					'company'=>self::getCompanyFormat($asCompany[MySqlManager::getText(self::COMP_TABLE)]),
					'status'=>$this->getDescriptionFormat($this->getUserOptionValue(self::OPT_STATUS, $iUserId)),
					'logo'=>$asCompany['logo'],
					'clearance'=>$asRow['clearance'],
					'user_led'=>self::getDateFormat($asRow['led'], self::DATE_FORMAT));
		}
		return $bJson?$this->jsonExport($asUserInfo):$asUserInfo;
	}

	public function getUserClearance()
	{
		$asUserInfo = $this->getUserInfo($this->getUserId());
		return $asUserInfo['clearance'];
	}

	public function getOptions()
	{
		$sOptValueIdCol = MySqlManager::getId(self::OPTVAL_TABLE);
		$sOptionTextCol = MySqlManager::getText(self::OPT_TABLE);
		$sOptNameTextCol = MySqlManager::getText(self::OPTNAME_TABLE);
		$sOptValueTextCol = MySqlManager::getText(self::OPTVAL_TABLE);

		//Available Options
		$asAvailableOptions = $this->getAvailableOptions();

		//User options
		$asUserOptions = $this->getUserOptions();

		//Build Options panel
		$asSelectedOptions = array();
		foreach($asAvailableOptions as $sOptNameId=>$asOption)
		{
			$asSelectedOptions[$sOptNameId]['option_name'] = self::getDescriptionFormat($asOption[$sOptNameTextCol]);
			$asSelectedOptions[$sOptNameId]['user_value_id'] = array_key_exists($sOptNameId, $asUserOptions)?$asUserOptions[$sOptNameId][$sOptValueIdCol]:0;
			$asSelectedOptions[$sOptNameId]['user_value'] = array_key_exists($sOptNameId, $asUserOptions)?$asUserOptions[$sOptNameId][$sOptionTextCol]:'';
			$asSelectedOptions[$sOptNameId]['type'] = $asOption['type'];
			if($asOption['type']==self::OPT_SELECT)
			{
				$asOptionValuesInfo = array('select'=>array($sOptValueIdCol, $sOptValueTextCol),
											'from'=>self::OPTVAL_TABLE,
											'constraint'=>array('language'=>$this->sLanguage,
																MySqlManager::getId(self::OPTNAME_TABLE)=>$sOptNameId),
											'orderBy'=>array('led'=>'ASC'));
				$asSelectedOptions[$sOptNameId]['select'] = $this->oMySql->selectRows($asOptionValuesInfo, true, $sOptValueIdCol);
			}
		}
		return $this->jsonExport($asSelectedOptions);
	}

	public function setOptions($asUserOptions, $bSilentUpdate=true)
	{
		foreach($this->getAvailableOptions() as $sOptNameId=>$asOption)
		{
			if(array_key_exists($sOptNameId, $asUserOptions))
			{
				switch($asOption['type'])
				{
					case self::OPT_SELECT: //insert id of option value table
						$sUpdateCol = MySqlManager::getId(self::OPTVAL_TABLE);
						break;
					case self::OPT_TEXT: //insert value
						$sUpdateCol = MySqlManager::getText(self::OPT_TABLE);
						break;
					default:
						continue 2;
				}
				$sNewValue = $asUserOptions[$sOptNameId];

				//Check identical data
				$asKeys = array(MySqlManager::getId(self::USER_TABLE)=>$this->getUserId(), MySqlManager::getId(self::OPTNAME_TABLE)=>$sOptNameId);
				$asData = array($sUpdateCol=>$sNewValue) + $asKeys;
				$sOldValue = $this->oMySql->selectValue(self::OPT_TABLE, $sUpdateCol, $asKeys);

				//Update value
				if($sOldValue!=$sNewValue)
				{
					//Update value
					$this->oMySql->insertUpdateRow(self::OPT_TABLE, $asData, array_keys($asKeys));
						
					//Spread the word
					if(!$bSilentUpdate)
					{
						//TODO rassembler les messages similaires dans une fonction de template
						switch($sOptNameId)
						{
							case self::OPT_NICKNAME:
								$sType = self::MESSAGE_NICK;
								$sChanName = self::DEFAULT_CHAN;
								$sMessage = $sOldValue.' a chang&eacute; son pseudo en '.$sNewValue;
								break;
							case self::OPT_STATUS:
								$sType = self::MESSAGE_STATUS;
								$sChanName = self::DEFAULT_CHAN;
								$sMessage = 'est sur une nouvelle mission : '.$this->getDescriptionFormat($sNewValue);
								break;
							default:
								continue 2;
						}
						$sChanId = $this->getChanId($sChanName);
						$this->addMessage($sMessage, $sType, $sChanId);
					}
				}
			}
		}
	}

	private function getAvailableOptions()
	{
		$sOptNameIdCol = MySqlManager::getId(self::OPTNAME_TABLE);
		$sOptNameTextCol = MySqlManager::getText(self::OPTNAME_TABLE);
		$asInfo = array('select'=>array($sOptNameIdCol, $sOptNameTextCol, 'type'),
						'from'=>self::OPTNAME_TABLE,
						'constraint'=>array('language'=>$this->sLanguage));
		return $this->oMySql->selectRows($asInfo, true, $sOptNameIdCol);
	}

	private function getUserOptionValue($sOptionNameId, $iUserId=0)
	{
		$asUserOptions = $this->getUserOptions($sOptionNameId, $iUserId);
		$asOptionInfo = array_shift($asUserOptions);
		return $asOptionInfo[MySqlManager::getId(self::OPTVAL_TABLE)];
	}

	private function getUserOptions($oOptionNameIds=array(), $iUserId=0)
	{
		$iUserId = $iUserId>0?$iUserId:$this->getUserId();
		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$sOptNameIdCol = MySqlManager::getId(self::OPTNAME_TABLE);
		$sOptValueIdCol = MySqlManager::getId(self::OPTVAL_TABLE);
		$sOptionTextCol = MySqlManager::getText(self::OPT_TABLE);

		if(!is_array($oOptionNameIds))
		{
			$oOptionNameIds = array($oOptionNameIds);
		}

		$asUserinfo = array('select'=>array($sOptNameIdCol, $sOptValueIdCol, $sOptionTextCol),
							'from'=>self::OPT_TABLE,
							'constraint'=>array($sUserIdCol=>$iUserId));
		if(count($oOptionNameIds)>0)
		{
			$asUserinfo['constraint'][$sOptNameIdCol] = "(".implode(", ", $oOptionNameIds).")";
			$asUserinfo['constOpe'] = array($sUserIdCol=>"=", $sOptNameIdCol=>" IN ");
			$asUserinfo['constVar'] = true;
		}
		$asOptions = $this->oMySql->selectRows($asUserinfo, true, $sOptNameIdCol);
		foreach($asOptions as $iOptionId=>$asOption)
		{
			if(!$asOption[$sOptValueIdCol]) $asOptions[$iOptionId][$sOptValueIdCol] = $asOptions[$iOptionId][$sOptionTextCol];
		}
		return $asOptions;
	}

	public function getProfile($oUser)
	{
		switch($oUser)
		{
			case '':
				$iUserId = $this->getUserId();
				break;
			case is_numeric($oUser):
				$iUserId = $oUser;
				break;
			case is_string($oUser):
				$oRes = $this->oMySql->selectValue(self::OPT_TABLE, MySqlManager::getId(self::USER_TABLE), array('option'=>mb_strtolower($oUser), MySqlManager::getId(self::OPTNAME_TABLE)=>self::OPT_NICKNAME));
				$iUserId = !$oRes?$this->getUserId():$oRes;
				break;
			default:
				$iUserId = $this->getUserId();
				break;
		}

		//User Info
		$asProfile['user'] = $this->getUserInfo($iUserId);
		unset($asProfile['user']['email']);
		unset($asProfile['user']['clearance']);
		
		//History Info
		$asTables = $this->getTypeInfo('table');
		unset($asTables[self::ART_TYPE]); //Skip articles
		foreach($asTables as $sType=>$sTableName)
		{
			//Add Text
			$sText = mb_strtolower($this->getPageTitles($this->getPagesFromHash($sType)));
			if(!$sText) $this->addError('Pas de texte pour le type "'.$sType.'"');
			
			//Loop through items
			$asSqlInfo = array('select'=>MySqlManager::getId($sTableName), 'from'=>$sTableName, 'constraint'=>array(MySqlManager::getId(self::USER_TABLE)=>$iUserId));
			$asHistory = $this->oMySql->selectRows($asSqlInfo);
			foreach($asHistory as $iItemId)
			{
				$asInfo = $this->getItemInfo($sType, $iItemId);
				$sKey = $asInfo['timestamp'].$sType.$iItemId;
				$asProfile['history'][$sKey]['type'] = $sType;
				$asProfile['history'][$sKey]['id'] = $iItemId;
				$asProfile['history'][$sKey]['action'] = (($asInfo['refer_id']==$iItemId)?'Cr&eacute;ation':'Modification').' de '.$sText;
				$asProfile['history'][$sKey]['date'] = $asInfo['led'];
				$asProfile['history'][$sKey]['title'] = $asInfo['title'];
			}
		}

		krsort($asProfile['history']);
		return $this->jsonExport($asProfile);
	}

	private static function isPmChan($sChanSafeName)
	{
		$asResult = array('is_pm'=>false, 'chan_name'=>$sChanSafeName);

		preg_match('/(?P<from>\d+)'.self::PM_SEP.'(?P<to>\d+)/u', $sChanSafeName, $asMatch);
		if(!empty($asMatch))
		{
			$asResult['is_pm'] = true;
			$asResult['from'] = $asMatch['from'];
			$asResult['to'] = $asMatch['to'];
			if($asMatch['from'] > $asMatch['to']) $asResult['chan_name'] = $asMatch['to'].self::PM_SEP.$asMatch['from'];
			else $asResult['chan_name'] = $asMatch['from'].self::PM_SEP.$asMatch['to'];
		}

		return $asResult;
	}

	private function checkChanAuth($sChanSafeName, $iUserId=0)
	{
		$asUserInfo = ($iUserId > 0)?$this->getUserInfo($iUserId):array('company'=>'');
		$asCompanies = $this->oMySql->selectRows(array('select'=>MySqlManager::getText(self::COMP_TABLE), 'from'=>self::COMP_TABLE));
		$iCompChan = array_search($sChanSafeName, array_map(array('self', 'getChanSafeName'), $asCompanies));
		$asPm = $this->isPmChan($sChanSafeName);

		return	$sChanSafeName!='' && 																		//Empty channel name
		($iCompChan===false || $asUserInfo['company']==self::getCompanyFormat($asCompanies[$iCompChan])) &&	//Test Company Channel
		(!$asPm['is_pm'] || $iUserId==$asPm['from'] || $iUserId==$asPm['to']);								//Test PM
	}

	public function joinChan($sChanName, $bFirstConn=false, $asAttendees=array())
	{
		$bSuccess = false;
		$sDesc = '';
		$asVars = array();
		$sSafeChanName = self::getChanSafeName($sChanName);

		//Authorization to join channel
		$asMessages = array();
		if($this->checkChanAuth($sSafeChanName, $this->getUserId()))
		{
			//On first connection, display on-join message for all channels
			if($bFirstConn)
			{
				$asConnChans = $this->getChannels($this->getUserId());
				$bFirstChan = true;
				foreach($asConnChans as $iConnChanId=>$sConnChanName)
				{
					//Checking once for all channels
					if(!$bFirstChan || !$this->isUserConnected($iConnChanId))
					{
						$asMessages[$iConnChanId] = $sConnChanName;
					}
					else break;
					$bFirstChan = false;
				}
			}

			//Add connection link in DB
			$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
			$sChanIdCol = MySqlManager::getId(self::CHAN_TABLE);
				
			$asData = array('safe_name'=>$sSafeChanName, MySqlManager::getText(self::CHAN_TABLE)=>$sChanName);
			$iChanId = $this->oMySql->insertUpdateRow(self::CHAN_TABLE, $asData, array('safe_name'), false);
				
			//Is user already connected to this chan
			$bConnectedUser = $this->isUserConnected($iChanId);
			$iConnId = $this->oMySql->insertUpdateRow(self::CONN_TABLE, array($sUserIdCol=>$this->getUserId(), $sChanIdCol=>$iChanId), array($sUserIdCol, $sChanIdCol), false);
			if($iConnId>0) $bSuccess = true;
				
			if($bSuccess)
			{
				//Return connected channels
				$asVars['channels'] = $this->getChannels($this->getUserId());

				//Add tab title (customized)
				//FIXME delete this shit and insert the channel type into channels DB table
				foreach($asVars['channels'] as $iConnectedChanId=>$sConnectedChanName)
				{
					$asPm = $this->isPmChan($sConnectedChanName);
					$asVars['channel_tab_names'][$iConnectedChanId] = $asPm['is_pm']?$this->getChatNickNames($asPm['from']==$this->getUserId()?$asPm['to']:$asPm['from']):$sConnectedChanName;
				}
				$asVars['current_chan_id'] = $iChanId;

				//Communicate on user's connection
				if(!$bConnectedUser)
				{
					$asMessages[$iChanId] = $this->oMySql->selectValue(self::CHAN_TABLE, MySqlManager::getText(self::CHAN_TABLE), $iChanId);
				}
				$sStatus = $this->getUserOptionValue(self::OPT_STATUS);
				$asUserInfo = $this->getUserInfo($this->getUserId());
				foreach($asMessages as $iChanId=>$sMsgChanName)
				{
					$asPm = $this->isPmChan($sMsgChanName);
					$this->addMessage(' de '.$asUserInfo['company'].' ('.($sStatus==''?'aucune mission en cours':$this->getDescriptionFormat($sStatus)).') rejoint '.($asPm['is_pm']?'le chan priv&eacute;':'#'.$sMsgChanName), self::MESSAGE_CONN, $iChanId);
				}

				//Send invites to attendees
				if(!empty($asAttendees))
				{
					$asUserInfo = $this->getUserInfo($this->getUserId());
					foreach($asAttendees as $sAttendee)
					{
						if($this->checkChanAuth($sSafeChanName, $sAttendee))
						{
							$this->addMessage($sAttendee, self::MESSAGE_INVITE, $iChanId);
						}
					}
				}

				//Update chan leds
				$this->pingChans();
			}
			else $sDesc = self::FAIL_UPDATE;
		}
		else $sDesc = 'Nom de chan non autorisé (nom de personne / nom de société interdit)';

		return self::getJsonPostResult($bSuccess, $sDesc, $asVars);
	}

	private function isUserConnected($iChanId=0, $iUserId=0)
	{
		$iUserId = $iUserId>0?$iUserId:$this->getUserId();

		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$asInfo = array('select'	=> MySqlManager::getId(self::CONN_TABLE),
				'from'		=> self::CONN_TABLE,
				'constraint'=> array($sUserIdCol=>$iUserId,	'led'=>"DATE_SUB(NOW(), INTERVAL ".self::KEEP_ALIVE." SECOND)"),
				'constOpe'	=> array($sUserIdCol=>'=',		'led'=>'>'),
				'constVar'	=> true,
				'groupBy'	=> $sUserIdCol);

		//Add chan constraint
		if($iChanId>0)
		{
			$asInfo['constraint'][MySqlManager::getId(self::CHAN_TABLE)] = $iChanId;
			$asInfo['constOpe'][MySqlManager::getId(self::CHAN_TABLE)] = '=';
		}
		return (count($this->oMySql->selectRows($asInfo))>0);
	}

	public function pingChans()
	{
		$aiConstraints = array(MySqlManager::getId(self::USER_TABLE)=>$this->getUserId());
		$asUpdates = array('led'=>date(self::DATE_TIME_SQL_FORMAT));
		$this->oMySql->updateRows(self::CONN_TABLE, $aiConstraints, $asUpdates);
	}

	public function quitChan($sChanName)
	{
		$iChanId = $this->getChanId($sChanName);
		$iConnId = $this->getConnId($iChanId);
		if($iConnId>0)
		{
			$this->oMySql->deleteRow(self::CONN_TABLE, $iConnId);
			$asPm = $this->isPmChan($sChanName);
			$this->addMessage('quitte '.($asPm['is_pm']?'le chan priv&eacute;':'#'.$sChanName), self::MESSAGE_CONN, $iChanId);
		}
	}

	private function getActiveChannels()
	{
		//Get connected users
		$asActiveChanUsers = $this->getConnectedUsers(false, false);
		$asActiveChans = array_keys($asActiveChanUsers);

		//Get Channel names
		$sChanIdCol = MySqlManager::getId(self::CHAN_TABLE);
		$asChanNames = $this->oMySql->selectRows(array('select'=>array($sChanIdCol, MySqlManager::getText(self::CHAN_TABLE)), 'from'=>self::CHAN_TABLE), true, $sChanIdCol);

		foreach($asActiveChans as $iChanId)
		{
			$asChannels[$asChanNames[$iChanId]] = count($asActiveChanUsers[$iChanId]);
		}

		//remove restricted channels
		$asPublicChannels = array();
		foreach($asChannels as $sChanName=>$iChanCount)
		{
			if($this->checkChanAuth($this->getChanSafeName($sChanName))) $asPublicChannels[$sChanName] = $iChanCount;
		}

		return $asPublicChannels;
	}

	private function getChannels($iUserId=0)
	{
		$sChanIdCol = MySqlManager::getId(self::CHAN_TABLE, true);
		$sChanNameCol = MySqlManager::getText(self::CHAN_TABLE);

		$asInfo = array('select'=>array($sChanIdCol, $sChanNameCol),
				'from'=> self::CONN_TABLE,
				'join'=> array(self::CHAN_TABLE=>MySqlManager::getId(self::CHAN_TABLE)),
				'orderBy'=> array(MySqlManager::getId(self::CONN_TABLE)=>'ASC'));
		if($iUserId > 0) $asInfo['constraint'] = array(MySqlManager::getId(self::USER_TABLE)=>$iUserId);

		$asChannels = $this->oMySql->selectRows($asInfo, true, MySqlManager::getId(self::CHAN_TABLE));

		//remove restricted channels
		$asPublicChannels = array();
		foreach($asChannels as $iChanId=>$sChanName)
		{
			if($this->checkChanAuth($this->getChanSafeName($sChanName), $iUserId)) $asPublicChannels[$iChanId] = $sChanName;
		}
		return $asPublicChannels;
	}

	private function getChanId($sChanName)
	{
		$sChanIdCol = MySqlManager::getId(self::CHAN_TABLE);
		$sSafeChanName = self::getChanSafeName($sChanName);
		$iChanId = $this->oMySql->selectValue(self::CHAN_TABLE, $sChanIdCol, array('safe_name'=>$sSafeChanName));
		if($iChanId==0)
		{
			$this->addError('No channel id found with channel name (safe): '.$sSafeChanName.', unsafe: '.$sChanName);
		}
		return $iChanId;
	}

	private function getConnId($iChanId, $iUserId=0)
	{
		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$sConnIdCol = MySqlManager::getId(self::CONN_TABLE);
		$sChanIdCol = MySqlManager::getId(self::CHAN_TABLE);

		if($iUserId==0) $iUserId = $this->getUserId();
		$iConnId = $this->oMySql->selectValue(self::CONN_TABLE, $sConnIdCol, array($sUserIdCol=>$iUserId, $sChanIdCol=>$iChanId));
		if($iConnId==0)
		{
			$this->addError('No connection found for user: '.$iUserId.' and channel id: '.$iChanId);
		}
		return $iConnId;
	}

	public function addChatMessage($sMessage, $sChanName)
	{
		$sMessage = htmlspecialchars($sMessage);
		$sType = self::MESSAGE_USER;
		if(mb_substr($sMessage, 0, 1) == '/')
		{
			if(mb_substr($sMessage, 0, 4) == '/me ')
			{
				$sType = self::MESSAGE_ACTION;
				$sMessage = mb_substr($sMessage, 3);
			}
			elseif(mb_substr($sMessage, 0, 6) == '/slap ')
			{
				$sType = self::MESSAGE_ACTION;
				$sMessage = ' fout une grosse tarte &agrave; '.mb_substr($sMessage, 5);
			}
			elseif(mb_substr($sMessage, 0, 4) == '/bs ')
			{
				$sType = self::MESSAGE_ACTION;
				$sMessage = ' bitch-slaps '.mb_substr($sMessage, 3);
			}
			elseif(mb_substr($sMessage, 0, 6) == '/kick ')
			{
				$sType = self::MESSAGE_ACTION;
				$sMessage = ' met un coup de pied au cul de '.mb_substr($sMessage, 5);
			}
			elseif(mb_substr($sMessage, 0, 6) == '/nick ' && mb_strlen($sMessage)>6)
			{
				$sNewNick = $this->getNickNameFormat(mb_substr($sMessage, 5));
				$sOldNick = $this->getNickNameFormat($this->getChatNickNames($this->getUserId()));

				//changing Nickname
				$this->setOptions(array(self::OPT_NICKNAME=>$sNewNick));

				//Message
				$sType = self::MESSAGE_NICK;
				$sChanName = self::ALL_CHAN_TEXT;
				$sMessage = $sOldNick.' a chang&eacute; son pseudo en '.$sNewNick;
			}
			elseif(mb_substr($sMessage, 0, 9) == '/mission ' && mb_strlen($sMessage)>9)
			{
				$sNewStatus = mb_substr($sMessage, 9);
				$sNewFormatStatus = $sNewStatus;
					
				//changing Nickname
				$this->setOptions(array(self::OPT_STATUS=>$sNewStatus));
					
				//Message
				$sType = self::MESSAGE_STATUS;
				$sChanName = self::DEFAULT_CHAN;
				$sMessage = 'est sur une nouvelle mission : '.$sNewFormatStatus;
			}
			elseif(mb_substr($sMessage, 0, 6) == '/mail ' && mb_strlen($sMessage)>6)
			{
				$sImagePattern = '/\/mail (?P<nickname>\w+) (?P<message>.*)/u';
				preg_match($sImagePattern, $sMessage, $asMatches);

				//Looking for user Id
				$iUserIdTo = $this->getUserIdFromNickName($asMatches['nickname']);

				//Handling mail
				if($iUserIdTo>0)
				{
					if(trim($asMatches['message'])!='')
					{
						if($this->sendPM($iUserIdTo, $asMatches['message']))
						{
							$sMessage = 'a envoy&eacute; un mail &agrave; '.$asMatches['nickname'];
						}
						else
						{
							$sMessage = 'n\'a pas envoy&eacute; de mail &agrave; '.$asMatches['nickname'].' (raison inconnue, voir log)';
						}
					}
					else
					{
						$sMessage = 'n\'a pas envoy&eacute; de mail &agrave; '.$asMatches['nickname'].' (message vide)';
					}
				}
				else
				{
					$sMessage = 'n\'a pas envoy&eacute; de mail &agrave; '.$asMatches['nickname'].' (pseudo inconnu)';
				}
				$sType = self::MESSAGE_ACTION;
			}
			elseif(mb_substr($sMessage, 0, 5) == '/mean')
			{
				$sPageContent = file_get_contents('http://www.randominsults.net/');
				$sStartText = '<strong><i>';
				$sEndText = '</i></strong>';
				$iStartPos = mb_strpos($sPageContent, $sStartText);
				$iEndPos = mb_strpos($sPageContent, $sEndText);

				$sMessage = mb_substr($sPageContent, $iStartPos + mb_strlen($sStartText), $iEndPos - $iStartPos);
			}
			elseif(mb_substr($sMessage, 0, 5) == '/like')
			{
				$sType = self::MESSAGE_ACTION;
				$sMessage = ' plussoie';
			}
			elseif(mb_substr($sMessage, 0, 4) == '/now')
			{
				$sType = self::MESSAGE_ACTION;
				$asWeekDays = array('lundi', 'mardi', 'mercredi', 'jeudi', 'vendredi', 'samedi', 'dimanche');
				$asMonths = array('janvier', 'f&eacute;vrier', 'mars', 'avril', 'mai', 'juin', 'juillet', 'ao&ucirc;t', 'septembre', 'octobre', 'novembre', 'd&eacute;cembre');
				$sMessage = ' a demand&eacute; l\'heure. Pour sa gouverne, il est exactement '.date(self::TIME_FORMAT).
				', le '.$asWeekDays[date('N')-1].' '.date('j').' '.$asMonths[date('n')-1].' '.date('Y').' (semaine '.date('W').')';
			}
			elseif($sMessage == '/channels' || mb_substr($sMessage, 0, 5) == '/list' || $sMessage == '/chans')
			{
				//Always at least one channel open (the one the message is sent from)
				$sMessage = ' a demand&eacute; les chans disponibles. Pour sa gouverne, les chans ayant des membres connect&eacute;s sont #'.MySqlManager::implodeAll($this->getActiveChannels(), ' (', ', #', '', ')');
				$sType = self::MESSAGE_ACTION;
			}
			elseif((mb_substr($sMessage, 0, 5) == '/img ' || mb_substr($sMessage, 0, 5) == '/pic ') && mb_strlen($sMessage)>5)
			{
				$sUrl = trim(mb_substr($sMessage, 4));
				$asResult = $this->downloadToTmp($sUrl);
				if($asResult['error']=='')
				{
					$sMessage = $this->getJsonMessage(array($asResult['out'], $asResult['width'], $asResult['height'], $sUrl));
					$sType = self::MESSAGE_IMG;
				}
			}
			elseif(mb_substr($sMessage, 0, 6) == '/9gag ' && mb_strlen($sMessage)>6)
			{
				$sMessage = $this->getJsonMessage($this->get9gagPost(trim(mb_substr($sMessage, 6))));
				$sType = self::MESSAGE_9GAG;
			}
			elseif(mb_substr($sMessage, 0, 7) == '/reboot' && $this->getUserClearance()==self::CLEARANCE_ADMIN)
			{
				$sMessage = 'L\'administrateur a demand&eacute; un reboot. Votre page va se rafraichir automatiquement dans '.self::REBOOT_DELAY.' secondes.';
				$sType = self::MESSAGE_REBOOT;
				$sChanName = self::ALL_CHAN_TEXT;
			}
			elseif(mb_substr($sMessage, 0, 8) == '/invite ' && mb_strlen($sMessage)>8)
			{
				$sSafeChanName = $this->getChanSafeName($sChanName);
				$iUserId = $this->getUserIdFromNickName(trim(mb_substr($sMessage, 8)));
				if($iUserId>0 && $this->checkChanAuth($sSafeChanName, $iUserId))
				{
					$sType = self::MESSAGE_INVITE;
					$sMessage = $iUserId;
				}
			}
			elseif(mb_substr($sMessage, 0, 6) == '/news ' && mb_strlen($sMessage)>6)
			{
				$sType = self::MESSAGE_NEWS;
				$sMessage = trim(substr($sMessage, 5));
			}
		}
		elseif(mb_substr($sMessage, 0, 1) == '@' && mb_strpos($sMessage, ' ')>1)
		{
			$sType = self::MESSAGE_PRIVATE;
		}
		$sChanId = $this->getChanId($sChanName);
		return $this->addMessage($sMessage, $sType, $sChanId);
	}

	private function getJsonMessage($asData)
	{
		return self::JSON_PREFIX.$this->jsonConvert($asData);
	}

	private function downloadToTmp($sUrl)
	{
		$sFileInfo = pathinfo($sUrl);
		$sImageExt = mb_strtolower($sFileInfo['extension']);
		$sFilePath = self::DOC_TMP_FOLDER.uniqid().'.'.$sImageExt;
		return ToolBox::createThumbnail($sUrl, self::CHAT_IMG_MAX_WIDTH, self::CHAT_IMG_MAX_HEIGHT, $sFilePath, false, Databap::$UPLOAD_IMG_EXTS);
	}

	private function sendPM($iUserIdTo, $sMessage)
	{
		$bSuccess = false;
		$asUserFrom = $this->getUserInfo($this->getUserId());
		$asUserTo = $this->getUserInfo($iUserIdTo);
		$sFrom = $asUserFrom['name'].' <www-data@lutran.fr>';

		$sTo = $asUserTo['name'].' <'.$asUserTo['email'].'>';
		$sMessage .=  "\n\n\n".'<i>Ne r&eacute;pondez pas &agrave; ce mail. Connectez-vous sur <a href="http://databap.lutran.fr/chat">Databap</a>.</i>';

		$sResult = ToolBox::sendMail($sFrom, 'Databap PM', $sMessage, $sTo, array(), false);
		$bSuccess = ($sResult==ToolBox::MAIL_SUCCESS);
		if(!$bSuccess) $this->addError($sResult);
		return $bSuccess;
	}

	private function addMessage($sMessage, $sType, $iChanId)
	{
		$bResult = false;
		if($iChanId>0)
		{
			$asInsert = array(	MySqlManager::getId(self::USER_TABLE)	=> $this->getUserId(),
					'nickname'										=> $this->getChatNickNames($this->getUserId()),
					MySqlManager::getId(self::CHAN_TABLE)	=> $iChanId,
					MySqlManager::getText(self::MSG_TABLE)	=> $sMessage,
					'type'											=> $sType,
					'date'											=> 'CURDATE()');
			$bResult = $this->oMySql->insertRow(self::MSG_TABLE, $asInsert);
		}
		else
		{
			$this->addError('Message deleted: No channel found');
		}
		return $bResult;
	}

	public function getMessages($iFirstMsgId="0")
	{
		//Update chan ping
		$this->pingChans();

		//Get messages and users' infos
		$sChanIdCol 			= MySqlManager::getId(self::CHAN_TABLE, true);
		$sChanTextCol 			= MySqlManager::getText(self::CHAN_TABLE);
		$sMsgIdCol 				= MySqlManager::getId(self::MSG_TABLE, true);
		$sMsgTextCol 			= MySqlManager::getText(self::MSG_TABLE);
		$sMsgTableLed 			= MySqlManager::getFullColumnName(self::MSG_TABLE, 'led');
		$sMsgTableChanIdCol 	= MySqlManager::getFullColumnName(self::MSG_TABLE, MySqlManager::getId(self::CHAN_TABLE));
		$sUserIdCol 			= MySqlManager::getId(self::USER_TABLE, true);
		$sMsgTableUserIdCol 	= MySqlManager::getFullColumnName(self::MSG_TABLE, MySqlManager::getId(self::USER_TABLE));
		$sUserTableUserIdCol 	= MySqlManager::getId(self::USER_TABLE, true);
		$sConnTableUserIdCol 	= MySqlManager::getFullColumnName(self::CONN_TABLE, MySqlManager::getId(self::USER_TABLE));
		$sConnTableChanIdCol 	= MySqlManager::getFullColumnName(self::CONN_TABLE, MySqlManager::getId(self::CHAN_TABLE));

		//channel related messages
		$sCurDate = date(Databap::DATE_SQL_FORMAT);
		$asInfo = array('select'	=> array($sMsgTableChanIdCol, $sMsgIdCol, $sMsgTextCol, 'type', $sMsgTableLed, 'first_name', 'last_name', $sUserIdCol, 'nickname'),
						'from'		=> self::CONN_TABLE,
						'joinOn'	=> array(	self::MSG_TABLE	=>array($sMsgTableChanIdCol, '=', $sConnTableChanIdCol),
												self::USER_TABLE=>array($sUserTableUserIdCol, '=', $sMsgTableUserIdCol)),
						'constraint'=> array($sConnTableUserIdCol=>$this->getUserId(),	$sMsgIdCol=>$iFirstMsgId,	'date'=>$sCurDate),
						'constOpe'	=> array($sConnTableUserIdCol=>'=', 				$sMsgIdCol=>'>', 			'date'=>'='));
		$asSqlMessages = $this->oMySql->selectRows($asInfo, true, 'id_message');

		//Global messages
		$asInfo['from']			= self::MSG_TABLE;
		$asInfo['joinOn']		= array(self::USER_TABLE=>array($sUserTableUserIdCol, '=', $sMsgTableUserIdCol));
		$asInfo['constraint']	= array($sMsgTableChanIdCol=>self::ALL_CHAN_ID,	$sMsgIdCol=>$iFirstMsgId,	'date'=>$sCurDate);
		$asInfo['constOpe']		= array($sMsgTableChanIdCol=>'=', 					$sMsgIdCol=>'>', 				'date'=>'=');
		$asSqlGlobalMessages = $this->oMySql->selectRows($asInfo, true, 'id_message');

		//Invites messages
		$asInfo['constraint']	= array($sMsgIdCol=>$iFirstMsgId,	'date'=>$sCurDate,	'type'=>self::MESSAGE_INVITE,	'message'=>$this->getUserId());
		$asInfo['constOpe']		= array($sMsgIdCol=>'>', 			'date'=>'=', 		'type'=>'=', 					'message'=>'=');
		$asSqlInviteMessages = $this->oMySql->selectRows($asInfo, true, 'id_message');

		//Merge flows
		if(!empty($asSqlGlobalMessages)) $asSqlMessages = array_diff_key($asSqlMessages, $asSqlGlobalMessages) + $asSqlGlobalMessages;
		if(!empty($asSqlInviteMessages)) $asSqlMessages = array_diff_key($asSqlMessages, $asSqlInviteMessages) + $asSqlInviteMessages;

		//Sort messages
		ksort($asSqlMessages);

		//Sort out messages for Json Export
		$iPrefixLen = mb_strlen(self::JSON_PREFIX);
		//$iConsoleDisplay = $this->getUserOptionValue(self::OPT_CONSOLE);
		$asMessages = array('messages'=>array(), 'last_message_id'=>0);
		foreach($asSqlMessages as $iMessageId=>$asMessageInfo)
		{
			//Connection message filter
			//if($iConsoleDisplay==self::OPT_CONSOLE_NO && $asMessageInfo['type']==self::MESSAGE_CONN) continue;
			
			//General message info
			$iChanId = $asMessageInfo[MySqlManager::getId(self::CHAN_TABLE)];
			$iUserId = $asMessageInfo[MySqlManager::getId(self::USER_TABLE)];
			$sMessageType = $asMessageInfo['type'];
			$asMessages['messages'][$iMessageId]['id_chan'] = $iChanId;
			$asMessages['messages'][$iMessageId]['message'] = $asMessageInfo[$sMsgTextCol];
			$asMessages['messages'][$iMessageId]['msg_class'] = $sMessageType;
			$asMessages['messages'][$iMessageId]['time'] = self::getDateFormat($asMessageInfo['led'], self::TIME_FORMAT);
			$asMessages['messages'][$iMessageId]['name'] = self::getNameFormat($asMessageInfo['first_name'], $asMessageInfo['last_name']);
			$asMessages['messages'][$iMessageId]['nickname'] = self::getNickNameFormat($asMessageInfo['nickname']);
				
			//generated messages
			switch($sMessageType)
			{
				case self::MESSAGE_ADD_CODE:
				case self::MESSAGE_EDIT_CODE:
					$asCode = $this->getCodeInfo($asMessages['messages'][$iMessageId]['message']);
					$asMessages['messages'][$iMessageId]['description'] = $asCode['description'];
					break;
				case self::MESSAGE_ADD_PROC:
				case self::MESSAGE_EDIT_PROC:
					$asProc = $this->getProcedureInfo($asMessages['messages'][$iMessageId]['message']);
					$asMessages['messages'][$iMessageId]['description'] = $asProc['title'];
					break;
				case self::MESSAGE_ADD_DOC:
				case self::MESSAGE_EDIT_DOC:
					$asDoc = $this->getDocInfo($asMessages['messages'][$iMessageId]['message']);
					$asMessages['messages'][$iMessageId]['description'] = $asDoc['title'];
					break;
				case self::MESSAGE_ADD_TABLE:
				case self::MESSAGE_EDIT_TABLE:
					$asTable = $this->getTableInfo($asMessages['messages'][$iMessageId]['message']);
					$asMessages['messages'][$iMessageId]['description'] = $asTable['title'];
					break;
				case self::MESSAGE_ARTICLE:
					$asTransferredInfo = $this->getArticleInfo($asMessages['messages'][$iMessageId]['message']);
					$asMessages['messages'][$iMessageId] = array_merge($asMessages['messages'][$iMessageId],  $asTransferredInfo);
					break;
				case self::MESSAGE_INVITE: //Switch Chan ID with name for the user to join			
					$asMessages['messages'][$iMessageId]['id_chan'] = $this->oMySql->selectValue(self::CHAN_TABLE, 'safe_name', $iChanId);
					break;
			}
						
			//Json message
			if(mb_substr($asMessages['messages'][$iMessageId]['message'], 0, $iPrefixLen) == self::JSON_PREFIX)
			{
				$asMessages['messages'][$iMessageId]['message'] = json_decode(mb_substr($asMessages['messages'][$iMessageId]['message'], $iPrefixLen));
			}
			else //Normal message
			{
				//Internal links
				$asMessages['messages'][$iMessageId]['message'] = Toolbox::findReplaceLinks($asMessages['messages'][$iMessageId]['message']);
				
				//Dynamic chan link
				$asPatterns = '/(^|\s)#(\w*[^\s]+\w*)/u';
				$asLinks = '\1<span class="chan_link clickable">#<span class="chan_text">\2</span></span>';
				$asMessages['messages'][$iMessageId]['message'] = preg_replace($asPatterns, $asLinks, $asMessages['messages'][$iMessageId]['message']);
			}
		}

		//Set last message Id (if new messages since $iFirstMsgId)
		if(!empty($asMessages['messages']))
		{
			$asMessages['last_message_id'] = max(array_keys($asMessages['messages']));
		}

		return $this->jsonExport($asMessages);
	}
	
	public function getNews($bExport=true)
	{
		$sMsgIdCol = MySqlManager::getId(self::MSG_TABLE);
		$sMsgTxtCol = MySqlManager::getText(self::MSG_TABLE);
		
		//News
		$asInfo['select']		= array($sMsgIdCol, 'nickname', $sMsgTxtCol, 'type', 'led');
		$asInfo['from']			= self::MSG_TABLE;
		$asInfo['constraint']	= array('type'=>self::MESSAGE_NEWS);
		$asInfo['orderBy']		= array('led'=>'DESC');
		if($bExport) $asInfo['limit'] = 3;
		$asNews = $this->oMySql->selectRows($asInfo);
		
		//Status
		//$asInfo['select']		= array($sMsgIdCol, 'nickname', "CONCAT(nickname, SPACE(1), ".$sMsgTxtCol." AS ".$sMsgTxtCol, 'led');
		$asInfo['constraint']	= array('type'=>self::MESSAGE_STATUS);
		$asStatus = $this->oMySql->selectRows($asInfo);
		
		//Sorting
		//FIXME find a way to do it in SQL
		$asNews = array_merge($asNews, $asStatus);
		foreach($asNews as $iKey=>$asNewsInfo) $asNewsSort[$iKey] = strtotime($asNewsInfo['led']);
		arsort($asNewsSort);
		foreach($asNewsSort as $iKey=>$iTimestamp)
		{
			if($asNews[$iKey]['type']==self::MESSAGE_STATUS) $asNews[$iKey][$sMsgTxtCol] = $asNews[$iKey]['nickname'].' '.$asNews[$iKey][$sMsgTxtCol];
			$asNews2[] = $asNews[$iKey];
			if($bExport && count($asNews2)==self::MAX_NB_NEWS) break;
		}
		
		$asFormatNews = array();
		foreach($asNews2 as $asNew)
		{
			$iListId = '-'.$asNew[$sMsgIdCol];
			$asFormatNews[$iListId][$sMsgIdCol] = $asNew[$sMsgIdCol];
			$asFormatNews[$iListId]['time'] = $asNew['led'];
			$asFormatNews[$iListId]['time_desc'] = ToolBox::getDateTimeDesc($asNew['led']);
			$asFormatNews[$iListId]['message'] = self::getDescriptionFormat($asNew['message']);
			$asFormatNews[$iListId]['nickname'] = self::getNickNameFormat($asNew['nickname']);
		}
		
		$sSuccess = (count($asFormatNews)>0);
		return $bExport?$this->getJsonPostResult($sSuccess, $sSuccess?'':'Aucune news', array('news'=>$asFormatNews)):$asFormatNews;
	}

	private function getConnectedChans($iuserId=0)
	{
		$iuserId = $iuserId>0?$iuserId:$this->getUserId();

		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$asInfo = array('select'	=> array(MySqlManager::getId(self::CHAN_TABLE, true), MySqlManager::getText(self::CHAN_TABLE)),
				'from'		=> self::CONN_TABLE,
				'join'		=> array(self::CHAN_TABLE=>MySqlManager::getId(self::CHAN_TABLE)),
				'constraint'=> array($sUserIdCol=>$iUserId,	'led'=>"DATE_SUB(NOW(), INTERVAL ".self::KEEP_ALIVE." SECOND)"),
				'constOpe'	=> array($sUserIdCol=>'=',		'led'=>'>'),
				'constVar'	=> true);

		return $this->oMySql->selectRows($asInfo, true, MySqlManager::getId(self::CONN_TABLE));
	}

	public function getConnectedUsers($bUserRestricted=false, $bJson=true)
	{
		$sQuery = " SELECT /* config.php 1313 */	conn2.id_channel, conn2.id_user, conn2.led, IF(DATE_SUB(NOW(), INTERVAL 1 MINUTE) < conn2.led, 0, 1) AS afk,
													users.first_name, users.last_name, companies.company, companies.logo, option_nickname.option AS nickname, option_status.option AS status
						FROM connections AS conn1
							LEFT JOIN connections AS conn2 ON conn2.id_channel = conn1.id_channel
							LEFT JOIN users ON users.id_user = conn2.id_user
							LEFT JOIN companies ON companies.id_company = users.id_company
							LEFT JOIN `options` AS option_nickname ON option_nickname.id_user = users.id_user AND option_nickname.id_option_name = ".self::OPT_NICKNAME."
							LEFT JOIN `options` AS option_status ON option_status.id_user = users.id_user AND option_status.id_option_name = ".self::OPT_STATUS."
						WHERE conn2.led > DATE_SUB(NOW(), INTERVAL ".self::KEEP_ALIVE." SECOND)".
						($bUserRestricted?"AND conn1.id_user = ".$this->getUserId():"")."
						GROUP BY conn2.id_channel, conn2.id_user
						ORDER BY option_nickname.option ASC";
		$asUserChannels = $this->oMySql->getArrayQuery($sQuery, true);

		//Last messages
		$iUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$asLastMsg = $this->oMySql->selectRows(array('select'=>array($iUserIdCol, 'MAX(led)'), 'from'=>self::MSG_TABLE), true, $iUserIdCol);

		$asConnectedUsers = array();
		foreach($asUserChannels as $asUser)
		{
			$sChanId = $asUser[MySqlManager::getId(self::CHAN_TABLE)];
			$iUserId = $asUser[$iUserIdCol];
			$sNickName = $asUser['nickname'];
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['id_user'] = $iUserId;
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['name'] = self::getNameFormat($asUser['first_name'], $asUser['last_name']);
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['company'] = self::getCompanyFormat($asUser['company']);
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['status'] = $asUser['status'];
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['logo'] = $asUser['logo'];
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['nickname'] = self::getNickNameFormat($sNickName==''?$asUser['first_name']:$sNickName);
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['last_activity'] = array_key_exists($iUserId, $asLastMsg)?self::getDateFormat($asLastMsg[$iUserId], self::TIME_FORMAT):'';
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['ping'] = self::getDateFormat($asUser['led'], self::TIME_FORMAT);
			$asConnectedUsers[$sChanId][$sNickName.$iUserId]['afk'] = $asUser['afk'];
		}
		return $bJson?$this->jsonExport($asConnectedUsers):$asConnectedUsers;
	}

	private function getUserIdFromNickName($sNickName)
	{
		$asContraints = array(	'LOWER(`'.MySqlManager::getText(self::OPT_TABLE).'`)'	=> mb_strtolower($sNickName),
								MySqlManager::getId(self::OPTNAME_TABLE)				=> self::OPT_NICKNAME);
		return $this->oMySql->selectValue(self::OPT_TABLE, MySqlManager::getId(self::USER_TABLE), $asContraints);
	}

	private function getChatNickNames($iUserId=0)
	{
		$sUserIdCol = MySqlManager::getId(self::USER_TABLE);
		$sNicknameCol = MySqlManager::getText(self::OPT_TABLE);
		$asConstraints = array(MySqlManager::getId(self::OPTNAME_TABLE)=>self::OPT_NICKNAME);

		if($iUserId>0)
		{
			$asConstraints[MySqlManager::getId(self::USER_TABLE)] = $iUserId;
			$oResult = $this->oMySql->selectValue(self::OPT_TABLE, $sNicknameCol, $asConstraints);
		}
		else
		{
			$asInfo = array('select'=>array($sUserIdCol, $sNicknameCol),
					'from'=>self::OPT_TABLE,
					'constraint'=>$asConstraints);
			$oResult = $this->oMySql->selectRows($asInfo, true, $sUserIdCol);
		}
		return $oResult;
	}

	private function switchCodeId(&$iCodeId, $sMode)
	{
		switch($sMode)
		{
			case 'first':
				$iCodeId = $this->oMySql->selectValue(self::CODE_TABLE, 'refer_id', $iCodeId);
				break;
			case 'last':
				$iRefId = $this->oMySql->selectValue(self::CODE_TABLE, 'refer_id', $iCodeId);
				$iCodeId = $this->oMySql->selectValue(self::CODE_TABLE, 'MAX(id_code)', array('refer_id'=>$iRefId));
				break;
		}
	}

	private function getIdCodeFromPhrase($sPhrase)
	{
		$iCodeId = $this->oMySql->selectValue(self::URL_TABLE, MySqlManager::getId(self::CODE_TABLE), array('phrase'=>$sPhrase));
		$this->switchCodeId($iCodeId, 'last');
		return $iCodeId;
	}

	private function getPhraseFromIdCode($iCodeId)
	{
		$this->switchCodeId($iCodeId, 'first');
		return $this->oMySql->selectValue(self::URL_TABLE, 'phrase', array('id_code'=>$iCodeId));
	}

	private function getCodeVersions($iRefCodeId)
	{
		$asCodeVersions = array();
		if($iRefCodeId>0)
		{
			$asInfo = array('select'=>array(MySqlManager::getId(self::CODE_TABLE)),
					'from'=>self::CODE_TABLE,
					'constraint'=>array('refer_id'=>$iRefCodeId),
					'orderBy'=>array('id_code'=>'asc'));
			$asCodeIds = $this->oMySql->selectRows($asInfo);
			
			foreach($asCodeIds as $iCodeId)
			{
				$asCodeVersions[] = $this->getCodeInfo($iCodeId);
			}
		}
		return $asCodeVersions;
	}

	public function getColoredCode($oCode)
	{
		$asCode = $this->getCodeInfo($oCode, '', true);

		//code
		$this->oClassManagement->incClass('reader');
		$oReader = new Reader($asCode['code']);
		$asCode['code'] = $oReader->getColoredCode();

		//phrase
		$sPhrase = $this->getPhraseFromIdCode($asCode['id_code']);
		if($sPhrase !== false)
		{
			$asCode['phrase'] = $sPhrase;
		}

		//user
		$asUsers[$asCode['id_user']] = $this->getUserInfo($asCode['id_user']);
		$asCode = array_merge($asCode, $asUsers[$asCode['id_user']]);

		//versions
		$asCodeVersions = $this->getCodeVersions($asCode['refer_id']);
		$iCodeRowId = 0;
		foreach($asCodeVersions as $iRowId=>$asCodeVersion)
		{
			if($asCodeVersion['id_code']==$asCode['id_code']) $iCodeRowId = $iRowId;
		}
		$asCode['truncated'] = ($iCodeRowId > self::MAX_LIST_LENGTH)?$asCodeVersions[$iCodeRowId - 1 - self::MAX_LIST_LENGTH]['id_code']:0;
		foreach($asCodeVersions as $iRowId=>$asCodeVersion)
		{
			if($iCodeRowId - $iRowId <= self::MAX_LIST_LENGTH)
			{
				if(!array_key_exists($asCodeVersion['id_user'], $asUsers))
				{
					$asUsers[$asCodeVersion['id_user']] = $this->getUserInfo($asCodeVersion['id_user']);
				}

				if($asCodeVersion['id_code']!=$asCode['id_code'])
				{
					$asVersionInfo = array_merge($asCodeVersion, $asUsers[$asCodeVersion['id_user']]);
					$asCode['other_versions'][] = $asVersionInfo;
				}
			}
		}

		return $this->jsonExport($asCode);
	}

	public function getNudeCode($oCode)
	{
		$asCode = $this->getCodeInfo($oCode, '', true);
		//$sCode = Reader::convText2Html($asCode['code']);
		return $asCode['code'];
	}

	public function getRawCode($oCode, $bPrint=false)
	{
		$asCode = $this->getCodeInfo($oCode, '', true);
		$asUser = $this->getUserInfo($asCode['id_user']);
		$sEncodedCode = $this->jsonConvert($asCode['code']);
		$sEncodedDesc = $this->jsonConvert($asCode['description']);
		
		$oRawCodePage = new Mask('raw_code');
		$oRawCodePage->setTags(array(	'text_enc'=>Settings::TEXT_ENC, 
										'author'=>$asUser['name'].' ('.$asUser['company'].')',
										'content'=>$sEncodedCode,
										'title'=>$sEncodedDesc,
										'print'=>$bPrint?'true':'false'));
		return $oRawCodePage->getMask();
	}
	
	public function getSavedCode($oCode)
	{
		$asCode = $this->getCodeInfo($oCode, '', true);
		$sPhrase = $this->getPhraseFromIdCode($asCode['id_code']);
		if(!$sPhrase)
		{
			$sPhrase = 'code_numero_'.$asCode['id_code'];
		}

		//set headers
		header('Pragma: public');
		header('Expires: 0');
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header('Cache-Control: public');
		header('Content-Description: File Transfer');
		header('Content-Type: application/force-download');
		header('Content-Disposition: attachment; filename='.$sPhrase.'.abap');
		header('Content-Transfer-Encoding: binary');
		//header('Content-Length: '.filesize($sFilePath));

		return $asCode['code'];
	}

	public function getItemList()
	{
		$asUsers = $asItemList = array();
		$sIdUserCol = MySqlManager::getId(self::USER_TABLE);
		
		//TODO phrases for all item types?
		$asTypeTables = $this->getTypeInfo('table');
		foreach($asTypeTables as $sType=>$sTable)
		{
			//selecting last version among codes having the same refer_id
			$sTableIdCol = MySqlManager::getId($sTable);
			$asInfo = array('select'	=> array("MAX({$sTableIdCol}) AS id_item"),
							'from'		=> $sTable,
							'groupBy'	=> array(($sType==self::ART_TYPE)?$sTableIdCol:'refer_id'), //no versioning for articles
							'orderBy'	=> array('id_item'=>'desc'));
			
			//Build code info structure
			$asTypedItemIds = array_filter($this->oMySql->selectRows($asInfo)); //null value returned from query (MAX(...))
			foreach($asTypedItemIds as $iItemId)
			{
				//Getting item info
				$asItem = $this->getItemInfo($sType, $iItemId);
				$asItem['type'] = $sType;
				$asItem['id_item'] = $iItemId;
				
				//Replacing user's id with user's name & company (if not done already)
				if(array_key_exists($sIdUserCol, $asItem)) 
				{
					$iUserId = $asItem[$sIdUserCol];
					if(!array_key_exists($iUserId, $asUsers)) $asUsers[$iUserId] = $this->getUserInfo($iUserId);
					
					$asItem['name'] = $asUsers[$iUserId]['name'];
					$asItem['company'] = $asUsers[$iUserId]['company'];
				}
				
				//Preparing key for reverse sorting
				$asItemList[$asItem['timestamp'].$asItem['type'].$asItem['id_item']] = $asItem;
			}
		}
		krsort($asItemList);
		return $this->jsonExport($asItemList);
	}

	public function getCodeBlock()
	{
		$oMask = new Mask();
		$oMask->initFile('code_block');
		$oMask->setTag('item', $this->getItemBlock());
		return $oMask->getMask();
	}

	private function getItemBlock()
	{
		$oMask = new Mask('item');
		return $oMask->getMask();
	}

	public static function checkNoAuthCookieResetAction($sAction)
	{
		return in_array($sAction, array('messages', 'upload_image', 'user_info', 'rss'));
	}

	public function logMeIn($sToken, $sAction)
	{
		$iUserId = 0;
		$sNameToken = '';
		$bResetPass = true;
		$sUserTableId = MySqlManager::getId(self::USER_TABLE);
		
		//login using form
		if($sAction!=self::EXT_ACCESS)
		{
			if($sToken!='')
			{
				$sNameToken = strstr($sToken, self::NAME_PASS_SEP, true);
				$sPassToken = substr(strstr($sToken, self::NAME_PASS_SEP), 1);
				
				//Check name
				//TODO replace SPACE(1) with self::FIRST_LAST_SEP (separate first and last name on logon page)
				$asConsts = array('MD5(CONCAT(first_name, SPACE(1), last_name))'=>$sNameToken, 'active'=>self::MEMBER_ACTIVE);
				$asInvConsts = array('MD5(CONCAT(last_name, SPACE(1), first_name))'=>$sNameToken, 'active'=>self::MEMBER_ACTIVE);
				$iUserId = $this->oMySql->selectValue(self::USER_TABLE, $sUserTableId, $asConsts);
				if(!$iUserId) $iUserId = $this->oMySql->selectValue(self::USER_TABLE, $sUserTableId, $asInvConsts);
				
				//Check Pass
				if(!$this->oAuth->CheckPassword($sPassToken, $this->oMySql->selectValue(self::USER_TABLE, 'pass', $iUserId))) $iUserId = 0;
			}
			//auto login by cookie
			elseif(isset($_COOKIE[self::USER_COOKIE_ID]))
			{
				$asConstraints = array(	$sUserTableId=>$_COOKIE[self::USER_COOKIE_ID],
										'auth_cookie'=>$_COOKIE[self::USER_COOKIE_PASS],
										'active'=>self::MEMBER_ACTIVE);
					
				$asUserInfo = $this->oMySql->selectRow(self::USER_TABLE, $asConstraints, array($sUserTableId, 'led'));
				$iUserId = $asUserInfo[$sUserTableId];
					
				//Check pass reset necessity
				$bResetPass = (mb_substr($asUserInfo['led'], 0, 10) != date(Databap::DATE_SQL_FORMAT));
			}
		}
		//Login using Token (limited access)
		elseif($sToken!='')
		{
			$iUserId = $this->checkExternalAccessToken($sToken);
			$bResetPass = false;
		}

		if($iUserId>0)
		{
			$this->setUserId($iUserId);
			if(!self::checkNoAuthCookieResetAction($sAction) && $bResetPass)
			{
				$this->resetAuthCookie();
			}
			
			//Post-Redirect-Get if user manually logging from logon page
			if($sNameToken!='')
			{
				header('HTTP/1.1 303 See Other');
				header('Location: '.$_SERVER['REQUEST_URI']);
				exit();
			}
		}

		return ($this->getUserId()>0);
	}
	
	private static function getLoginToken($sPass)
	{
		return md5($sPass.$_GET['serv_name']);
	}
	
	public function checkSetPass($sToken, $sNewToken)
	{
		$bSuccess = false;
		$sDesc = '';
		if($this->oAuth->CheckPassword($sToken, $this->oMySql->selectValue(self::USER_TABLE, 'pass', $this->getUserId())))
		{
			$bSuccess = $this->oMySql->updateRow(self::USER_TABLE, $this->getUserId(), array('pass'=>$this->oAuth->HashPassword($sNewToken)));
			$sDesc = $bSuccess?'Mot de passe modifié avec succès':'Une erreur au niveau de la base données est apparue';
		}
		else $sDesc = 'Le mot de passe actuel est erroné';
		
		return $this->getJsonPostResult($bSuccess, $sDesc);
	}
		
	public function resetPass($iUserId)
	{
		if($iUserId>0)
		{
			$sUserIdCol = MySqlManager::getId(self::USER_TABLE, true);
			$asInfo = array('select'=>array($sUserIdCol, MySqlManager::getText(self::COMP_TABLE)),
							'from'=> self::USER_TABLE,
							'join'=> array(self::COMP_TABLE=>MySqlManager::getId(self::COMP_TABLE)),
							'constraint'=>array($sUserIdCol=>$iUserId));
			$asUsers = $this->oMySql->selectRows($asInfo);
			foreach($asUsers as $asUser)
			{
				$sToken = $this->oAuth->HashPassword(self::getLoginToken($asUser[MySqlManager::getText(self::COMP_TABLE)]));
				$iUserId = $asUser[MySqlManager::getId(self::USER_TABLE)];
				$this->oMySql->updateRow(self::USER_TABLE, $iUserId, array('pass'=>$sToken));
			}
		}
		else return 'KO';
		
		return 'OK';
	}

	private function getExternalAccessPass($iUserId)
	{
		$sPass = '';
		if($iUserId>0)
		{
			$asUser = $this->oMySql->selectRow(self::USER_TABLE, $iUserId, array('first_name', 'last_name', MySqlManager::getId(self::COMP_TABLE)));
			$sCompanyName = $this->oMySql->selectvalue(self::COMP_TABLE, MySqlManager::getText(self::COMP_TABLE), $asUser[MySqlManager::getId(self::COMP_TABLE)]);
			$sPass = $asUser['first_name'].$asUser['last_name'].$sCompanyName;
		}
		else $this->addError('generating token : invalid user id "'.$iUserId.'"');
		return $sPass;
	}
	
	private function generateExternalAccessToken($iUserId)
	{
		return $this->oAuth->HashPassword($this->getExternalAccessPass($iUserId));
	}

	private function checkExternalAccessToken($sKey)
	{
		$iUserId = mb_strstr($sKey, '_', true);
		$asConstraints = array(MySqlManager::getId(self::USER_TABLE)=>$iUserId, 'active'=>self::MEMBER_ACTIVE);
		$sToken = mb_substr($sKey, mb_strlen($iUserId)+1);
		return ($this->checkValue(self::USER_TABLE, $asConstraints)
				&& $this->oAuth->CheckPassword($this->getExternalAccessPass($iUserId), $sToken))?$iUserId:0;
	}
	
	private function generateExternalAccessLink($sType, $iUserId=0)
	{
		if($iUserId==0) $iUserId = $this->getUserId();
		return $_GET['serv_name'].'?a='.self::EXT_ACCESS.'&p='.$sType.'&auth_token='.$iUserId.'_'.$this->generateExternalAccessToken($iUserId);
	}
	
	private function getInternalLink($sPage, $oId=0)
	{
		return $_GET['serv_name'].'#'.$sPage.($oId?'-'.$oId:'');
	}
	
	private function getAuthCookie()
	{
		return $this->oAuth->HashPassword(	$_SERVER['HTTP_USER_AGENT'].
				$_SERVER['REMOTE_ADDR'].
				$_SERVER['REQUEST_TIME'].
				mb_strstr(microtime(), ' ', true).
				$_SERVER['SERVER_SIGNATURE'].
				$_SERVER['SERVER_ADMIN']);
	}
	
	private function resetAuthCookie()
	{
		$iUserId = $this->getUserId();
		$sNewPass = $this->getAuthCookie();
		$iTimeLimit = time()+60*60*24*self::COOKIE_LIFESPAN;
		$this->oMySql->updateRow(self::USER_TABLE, $iUserId, array('auth_cookie'=>$sNewPass));
		setcookie(self::USER_COOKIE_ID, $iUserId, $iTimeLimit);
		setcookie(self::USER_COOKIE_PASS, $sNewPass, $iTimeLimit);
	}

	public function logMeOut()
	{
		$this->disconnectChat();
		$this->setUserId(0);
		setcookie(self::USER_COOKIE_ID, '', time()-60*60);
		setcookie(self::USER_COOKIE_PASS, '', time()-60*60);
	}

	/* Not needed so far
	 public function setExpectedPage($sExpectedPage)
	 {
	setcookie(self::EXPECTED_PAGE_COOKIE, $sExpectedPage, time()+60*60);
	}

	public function redirectExpectedPage()
	{
	if(array_key_exists(self::EXPECTED_PAGE_COOKIE, $_COOKIE))
	{
	$sLocation = $_COOKIE[self::EXPECTED_PAGE_COOKIE];
	setcookie(self::EXPECTED_PAGE_COOKIE, '', time()-60*60);
	header('Location:'.$sLocation);
	}
	}
	*/

	public function getArticle($iArtId)
	{
		return $this->jsonExport($this->getArticleInfo($iArtId));
	}
	
	public function redirectArticle($iArtId)
	{
		$asArtInfo = $this->getArticleInfo($iArtId);
		header('Location:'.$asArtInfo['link_art']);
	}

	public function disconnectChat()
	{
		$sTime = $this->oMySql->selectRows(array('select'=>'DATE_SUB(NOW(), INTERVAL '.self::KEEP_ALIVE.' SECOND)'));

		//Is the user connected?
		$sUserIdColName = MySqlManager::getId(self::USER_TABLE);
		$bConnected = $this->oMySql->selectRows(array('select'=>array('COUNT(1)'), 'from'=>self::CONN_TABLE, 'constraint'=>array($sUserIdColName=>$this->getUserId(), 'led'=>$sTime), 'constOpe'=>array($sUserIdColName=>'=', 'led'=>'>')));
		if($bConnected)
		{
			$this->oMySql->updateRows(self::CONN_TABLE, array(MySqlManager::getId(self::USER_TABLE)=>$this->getUserId()), array('led'=>$sTime));
			$this->addMessage('se d&eacute;connecte', self::MESSAGE_CONN, self::DEFAULT_CHAN_ID);
		}
	}

	public function checkValue($sTableName, $asConstraints)
	{
		return $this->oMySql->selectValue($sTableName, 'COUNT(1)', $asConstraints);
	}

	public function resetChanSafeNames()
	{
		$iChanIdCol = MySqlManager::getId(self::CHAN_TABLE);
		$asChans = $this->oMySql->selectRows(array('select'=>array($iChanIdCol, MySqlManager::getText(self::CHAN_TABLE)), 'from'=>self::CHAN_TABLE), true, $iChanIdCol);

		$asResult = array();
		foreach($asChans as $iChanId=>$sChanName)
		{
			$asResult[$iChanId] = ($this->oMySql->updateRow(self::CHAN_TABLE, $iChanId, array('safe_name'=>self::getChanSafeName($sChanName))) > 0)?'Fixed':'Not Fixed';
		}
		return MySqlManager::implodeAll($asResult, ' : ', "\n", 'Result reset ID channel ', '.');
	}

	public static function getChanSafeName($sChanName)
	{
		//TODO replace unsafe chars with unique id
		$sChanSafeName = preg_replace('/[^a-z0-9]/u', '_', mb_strtolower($sChanName));

		//Sort PM chans
		$asPm = self::isPmChan($sChanSafeName);
		if(!$asPm['is_pm']) $sChanSafeName = $asPm['chan_name'];

		return $sChanSafeName;
	}

	public function getResults($sSearchWords)
	{
		$this->oSearchEngine->setWords($sSearchWords);
		$asResults = $this->oSearchEngine->getResults();

		//complementary infos
		$asCompleteResults = array();
		foreach($asResults as $asItemInfo)
		{
			//Item Info
			$iItemId = $asItemInfo['id_item'];
			$sType = $asItemInfo['type'];
			$asItemInfo += $this->getItemInfo($sType, $iItemId);
			
			//User Info
			if($sType != self::ART_TYPE) //Already available in item info
			{
				$asUserInfo = $this->getUserInfo($asItemInfo[MySqlManager::getId(self::USER_TABLE)]);
				$asItemInfo['name'] = $asUserInfo['name'];
				$asItemInfo['company'] = $asUserInfo['company'];
			}
			//TODO: phrase
			
			$asCompleteResults[] = $asItemInfo;
		}

		return $this->jsonExport($asCompleteResults);
	}

	public function getStyleSheet()
	{
		$sStyle = file_get_contents(self::STYLE_PATH);
		$asDefaultColors = array(	self::OPT_BG=>'#04357B',
									self::OPT_BRIGHT_BG=>'#D9E5F2',
									self::OPT_HOVER=>'#EFAB00',
									self::OPT_IMAGE_CHAT=>'images/sap_gold_332.jpg');

		//Inserting Color Ids
		foreach($asDefaultColors as $iOptionNameId=>$sDefaultColor)
		{
			$asColorAnchors[$iOptionNameId] = '[OPT#'.$iOptionNameId.']';
		}
		$sStyle = str_replace($asDefaultColors, $asColorAnchors, $sStyle);

		//Switching color Ids with user colors
		$asOptionvalues = $this->getUserOptions(array_keys($asDefaultColors));
		foreach($asColorAnchors as $iOptionNameId=>$sColorAnchor)
		{
			$sOptionValue = (array_key_exists($iOptionNameId, $asOptionvalues) && $asOptionvalues[$iOptionNameId]['option']!='')?$asOptionvalues[$iOptionNameId]['option']:$asDefaultColors[$iOptionNameId];
			$sStyle = str_replace($sColorAnchor, $sOptionValue, $sStyle);
		}

		//setting header content type
		header("Content-Type: text/css");
		return $sStyle;
	}

	public static function getDateFormat($oTime, $sFormat=Databap::DATE_TIME_FORMAT)
	{
		$iTimeStamp = is_numeric($oTime)?$oTime:strtotime($oTime);
		return date($sFormat, $iTimeStamp);
	}

	public static function getNameFormat($sFirstName, $sLastName)
	{
		return ToolBox::capitalizeWords(trim($sFirstName.self::FIRST_LAST_SEP.$sLastName), ' -');;
	}

	public static function getNickNameFormat($sNickName)
	{
		$sNickName = ToolBox::capitalizeWords(trim($sNickName), ' -');
		return str_replace(' ', '_', $sNickName);
	}

	public static function getCompanyFormat($sCompany)
	{
		return mb_strlen($sCompany)>3?ToolBox::mb_ucwords($sCompany):mb_strtoupper($sCompany);
	}

	public static function getDescriptionFormat($sDescription)
	{
		return ToolBox::mb_ucfirst(ToolBox::findReplaceLinks($sDescription));
	}
	
	public static function getTableFormat($sTable)
	{
		return mb_strtoupper($sTable);
	}
	
	public function getJsonPostResult($bSuccess, $sDesc, $asVars=array())
	{
		if(!$bSuccess) $this->addError($sDesc);
		return self::jsonExport(array('result'=>$bSuccess?self::SUCCESS:self::ERROR, 'desc'=>$sDesc)+$asVars);
	}
	
	public static function jsonExport($asData)
	{
		header('Content-type: application/json');
		return self::jsonConvert($asData);
	}

	public static function jsonConvert($asData)
	{
		//return htmlspecialchars(json_encode($asData), ENT_NOQUOTES);
		return json_encode($asData);
	}
	
	public static function getMaxSize()
	{
		$iPostSize = self::toBytes(ini_get('post_max_size'));
		$iUploadSize = self::toBytes(ini_get('upload_max_filesize'));

		return min($iPostSize, $iUploadSize);
	}

	public static function toBytes($str)
	{
		$val = trim($str);
		$last = mb_strtolower($str[mb_strlen($str)-1]);
		switch($last) {
			case 'g': $val *= 1024;
			case 'm': $val *= 1024;
			case 'k': $val *= 1024;
		}
		return $val;
	}
}

?>